Rosenberger, Daniela C. http://orcid.org/0000-0002-7079-6476
Blechschmidt, Vivian http://orcid.org/0000-0002-6258-035X
Timmerman, Hans http://orcid.org/0000-0002-6082-9043
Wolff, André
Treede, Rolf-Detlef http://orcid.org/0000-0001-8065-1708
Article History
Received: 30 October 2019
Accepted: 19 January 2020
First Online: 8 February 2020
Compliance with ethical standards
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: R.D.T. reports grants from DFG, non-financial support from Astellas Pharma GmbH (Munich, Germany), during the conduct of the study; grants from Bayer, DFG, EU, personal fees from Astellas, Bayer, Decision Resources, GrĂ¼nenthal, GSK, Hydra, and Pfizer, all outside the submitted work. The other authors report no conflicts of interest in this work.