van der Vis, Jacqueline
Janssen, Stein J.
Haverlag, Robert
van den Bekerom, Michel P. J.
Article History
Received: 25 April 2018
First Online: 1 August 2018
Compliance with ethical standards
:
: Each author certifies that he or she has no commercial associations (e.g., consultancies, stock ownership, equity interest, patent/licensing arrangements, etc.) that might pose a conflict of interest related to the submitted article.
: This study was approved by our institutional review and ethics board.