Ahmed, Salaheldin https://orcid.org/0000-0001-7086-6262
Ahmed, Abdulla https://orcid.org/0000-0001-6005-5300
Bouzina, Habib https://orcid.org/0000-0002-9956-7060
Lundgren, Jakob https://orcid.org/0000-0001-9338-2906
Rådegran, Göran https://orcid.org/0000-0003-4919-2771
Funding for this research was provided by:
ALF, Avtal om Läkarutbildning och Forskning
Actelion Pharmaceuticals Sweden AB
Article History
Received: 15 January 2020
Accepted: 26 June 2020
First Online: 10 July 2020
Compliance with ethical standards
:
: Mr. Salaheldin Ahmed and Mr. Abdulla Ahmed report no conflicts of interest. Mr. Bouzina reports an unrestricted research grant from The Swedish Society of Pulmonary Hypertension on behalf of GlaxoSmithKline. Dr. Lundgren reports unrestricted research grants from The Swedish Society of Pulmonary Hypertension on behalf of Actelion Pharmaceuticals Sweden AB. Dr. Rådegran reports unrestricted research grants from ALF and Actelion Pharmaceuticals Sweden AB, during the conduct of the study. Mr. Abdulla Ahmed and Mr. Salaheldin Ahmed report no personal lecture fees. Mr. Bouzina reports personal lecture fees from Actelion Pharmaceuticals Sweden AB outside the submitted work. Dr. Lundgren reports personal lecture fees from Actelion Pharmaceuticals Sweden AB and GlaxoSmithKline outside the submitted work. Dr. Rådegran reports personal lecture fees from Actelion Pharmaceuticals Sweden AB, GlaxoSmithKline, Bayer, Nordic Infucare, and Bayer Health Care outside the submitted work. Dr. Rådegran is, and has been primary-, or co-, investigator in; clinical PAH trials for GlaxoSmithKline, Actelion Pharmaceuticals Sweden AB, Pfizer, Bayer and United Therapeutics, and in clinical heart transplantation immuno-suppression trials for Novartis.The companies had no role in the data collection, analysis, and interpretation, and had no right in disapproving of the manuscript.