diff --git a/R/add_animation.R b/R/add_animation.R
index 1bbd5d0a..4950c507 100644
--- a/R/add_animation.R
+++ b/R/add_animation.R
@@ -19,7 +19,7 @@
 #' z-axis
 #' @references
 #' Lewis, Myles J., et al. (2019).
-#' \href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+#' \href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 #' Molecular portraits of early rheumatoid arthritis identify clinical and 
 #' treatment response phenotypes.}
 #' \emph{Cell reports}, \strong{28}:9
diff --git a/R/boxplot_trio.R b/R/boxplot_trio.R
index 19a3f22c..e2353428 100644
--- a/R/boxplot_trio.R
+++ b/R/boxplot_trio.R
@@ -48,7 +48,7 @@
 #' @keywords hplot
 #' @references
 #' Lewis, Myles J., et al. (2019).
-#' \href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+#' \href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 #' Molecular portraits of early rheumatoid arthritis identify clinical and
 #' treatment response phenotypes.}
 #' \emph{Cell reports}, \strong{28}:9
diff --git a/R/example_data.R b/R/example_data.R
index f070ffe7..46bf1ee0 100644
--- a/R/example_data.R
+++ b/R/example_data.R
@@ -7,7 +7,7 @@
 #' \describe{
 #'   \item{Pathotype}{The synovial biopsy histological pathotype}
 #' }
-#' @source \url{https://doi.org/10.1016/j.celrep.2019.07.091
+#' @source \url{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1
 #' }
 "syn_example_meta"
 
@@ -18,7 +18,7 @@
 #'
 #' @format A data frame with 500 rows representing the most significant 
 #' genes/probes and 81 columns representing samples. 
-#' @source \url{https://doi.org/10.1016/j.celrep.2019.07.091
+#' @source \url{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1
 #' }
 "syn_example_rld"
 
diff --git a/R/polar_grid.R b/R/polar_grid.R
index 7564fda0..b8ad26fa 100644
--- a/R/polar_grid.R
+++ b/R/polar_grid.R
@@ -61,7 +61,7 @@ setClass("grid", slots = list(
 #' }
 #' @references
 #' Lewis, Myles J., et al. (2019).
-#' \href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+#' \href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 #' Molecular portraits of early rheumatoid arthritis identify clinical and
 #' treatment response phenotypes.}
 #' \emph{Cell reports}, \strong{28}:9
diff --git a/R/radial_ggplot.R b/R/radial_ggplot.R
index 008c1a4f..8e90a0c0 100644
--- a/R/radial_ggplot.R
+++ b/R/radial_ggplot.R
@@ -40,7 +40,7 @@
 #' @keywords hplot
 #' @references
 #' Lewis, Myles J., et al. (2019).
-#' \href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+#' \href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 #' Molecular portraits of early rheumatoid arthritis identify clinical and
 #' treatment response phenotypes.}
 #' \emph{Cell reports}, \strong{28}:9
diff --git a/R/radial_plotly.R b/R/radial_plotly.R
index a3fb3dae..b11f3de3 100644
--- a/R/radial_plotly.R
+++ b/R/radial_plotly.R
@@ -39,7 +39,7 @@
 #' @importFrom methods is
 #' @references
 #' Lewis, Myles J., et al. (2019).
-#' \href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+#' \href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 #' Molecular portraits of early rheumatoid arthritis identify clinical and
 #' treatment response phenotypes.}
 #' \emph{Cell reports}, \strong{28}:9
diff --git a/R/show_grid.R b/R/show_grid.R
index 44fe185f..b4a3e413 100644
--- a/R/show_grid.R
+++ b/R/show_grid.R
@@ -10,7 +10,7 @@
 #' @importFrom plotly plot_ly add_trace add_text layout %>%
 #' @references
 #' Lewis, Myles J., et al. (2019).
-#' \href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+#' \href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 #' Molecular portraits of early rheumatoid arthritis identify clinical and
 #' treatment response phenotypes.}
 #' \emph{Cell reports}, \strong{28}:9
diff --git a/R/significance_subset.R b/R/significance_subset.R
index 05123b9b..d70edd58 100644
--- a/R/significance_subset.R
+++ b/R/significance_subset.R
@@ -10,7 +10,7 @@
 #'   object.
 #' @references
 #' Lewis, Myles J., et al. (2019).
-#' \href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+#' \href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 #' Molecular portraits of early rheumatoid arthritis identify clinical and
 #' treatment response phenotypes.}
 #' \emph{Cell reports}, \strong{28}:9
diff --git a/R/volcano3D.R b/R/volcano3D.R
index 96fc4eef..82d5db5c 100644
--- a/R/volcano3D.R
+++ b/R/volcano3D.R
@@ -49,7 +49,7 @@
 #' z-axis
 #' @references
 #' Lewis, Myles J., et al. (2019).
-#' \href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+#' \href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 #' Molecular portraits of early rheumatoid arthritis identify clinical and 
 #' treatment response phenotypes.}
 #' \emph{Cell reports}, \strong{28}:9
diff --git a/man/add_animation.Rd b/man/add_animation.Rd
index db464a37..522b0f43 100644
--- a/man/add_animation.Rd
+++ b/man/add_animation.Rd
@@ -56,7 +56,7 @@ add_animation(p)
 }
 \references{
 Lewis, Myles J., et al. (2019).
-\href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+\href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 Molecular portraits of early rheumatoid arthritis identify clinical and 
 treatment response phenotypes.}
 \emph{Cell reports}, \strong{28}:9
diff --git a/man/boxplot_trio.Rd b/man/boxplot_trio.Rd
index 6b5b1276..62e679c0 100644
--- a/man/boxplot_trio.Rd
+++ b/man/boxplot_trio.Rd
@@ -82,7 +82,7 @@ boxplot_trio(syn_polar, value = "COBL")
 }
 \references{
 Lewis, Myles J., et al. (2019).
-\href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+\href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 Molecular portraits of early rheumatoid arthritis identify clinical and
 treatment response phenotypes.}
 \emph{Cell reports}, \strong{28}:9
diff --git a/man/polar_grid.Rd b/man/polar_grid.Rd
index cc8b02d3..870f5fcd 100644
--- a/man/polar_grid.Rd
+++ b/man/polar_grid.Rd
@@ -71,7 +71,7 @@ grid <- polar_grid(r_vector=syn_polar@df[[1]]$r,
 }
 \references{
 Lewis, Myles J., et al. (2019).
-\href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+\href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 Molecular portraits of early rheumatoid arthritis identify clinical and
 treatment response phenotypes.}
 \emph{Cell reports}, \strong{28}:9
diff --git a/man/radial_ggplot.Rd b/man/radial_ggplot.Rd
index 03664c43..b9fe8c99 100644
--- a/man/radial_ggplot.Rd
+++ b/man/radial_ggplot.Rd
@@ -94,7 +94,7 @@ radial_ggplot(polar = syn_polar, label_rows = c("COBL"))
 }
 \references{
 Lewis, Myles J., et al. (2019).
-\href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+\href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 Molecular portraits of early rheumatoid arthritis identify clinical and
 treatment response phenotypes.}
 \emph{Cell reports}, \strong{28}:9
diff --git a/man/radial_plotly.Rd b/man/radial_plotly.Rd
index 7bf81c97..16ce0d03 100644
--- a/man/radial_plotly.Rd
+++ b/man/radial_plotly.Rd
@@ -95,7 +95,7 @@ radial_plotly(polar = syn_polar, label_rows = c("COBL"))
 }
 \references{
 Lewis, Myles J., et al. (2019).
-\href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+\href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 Molecular portraits of early rheumatoid arthritis identify clinical and
 treatment response phenotypes.}
 \emph{Cell reports}, \strong{28}:9
diff --git a/man/show_grid.Rd b/man/show_grid.Rd
index e723d1b5..6f1af15c 100644
--- a/man/show_grid.Rd
+++ b/man/show_grid.Rd
@@ -37,7 +37,7 @@ p$cyl
 }
 \references{
 Lewis, Myles J., et al. (2019).
-\href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+\href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 Molecular portraits of early rheumatoid arthritis identify clinical and
 treatment response phenotypes.}
 \emph{Cell reports}, \strong{28}:9
diff --git a/man/significance_subset.Rd b/man/significance_subset.Rd
index 5ab1b4eb..53a673d8 100644
--- a/man/significance_subset.Rd
+++ b/man/significance_subset.Rd
@@ -29,7 +29,7 @@ subset <- significance_subset(syn_polar, "L+", "df")
 }
 \references{
 Lewis, Myles J., et al. (2019).
-\href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+\href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 Molecular portraits of early rheumatoid arthritis identify clinical and
 treatment response phenotypes.}
 \emph{Cell reports}, \strong{28}:9
diff --git a/man/syn_example_meta.Rd b/man/syn_example_meta.Rd
index 0f41bb77..074e31e9 100644
--- a/man/syn_example_meta.Rd
+++ b/man/syn_example_meta.Rd
@@ -11,7 +11,7 @@ A data frame with 81 rows and 1 variables:
 }
 }
 \source{
-\url{https://doi.org/10.1016/j.celrep.2019.07.091
+\url{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1
 }
 }
 \usage{
diff --git a/man/syn_example_rld.Rd b/man/syn_example_rld.Rd
index 7130b75a..b765880c 100644
--- a/man/syn_example_rld.Rd
+++ b/man/syn_example_rld.Rd
@@ -9,7 +9,7 @@ A data frame with 500 rows representing the most significant
 genes/probes and 81 columns representing samples.
 }
 \source{
-\url{https://doi.org/10.1016/j.celrep.2019.07.091
+\url{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1
 }
 }
 \usage{
diff --git a/man/volcano3D.Rd b/man/volcano3D.Rd
index e385e7a4..5eaeca1f 100644
--- a/man/volcano3D.Rd
+++ b/man/volcano3D.Rd
@@ -113,7 +113,7 @@ volcano3D(syn_polar)
 }
 \references{
 Lewis, Myles J., et al. (2019).
-\href{https://doi.org/10.1016/j.celrep.2019.07.091}{
+\href{https://www.cell.com/cell-reports/fulltext/S2211-1247(19)31007-1}{
 Molecular portraits of early rheumatoid arthritis identify clinical and 
 treatment response phenotypes.}
 \emph{Cell reports}, \strong{28}:9