Buczak-Stec, Elżbieta
Hajek, André
van den Bussche, Hendrik
Eisele, Marion
Wiese, Birgitt
Mamone, Silke
Weyerer, Siegfried
Werle, Jochen
Fuchs, Angela
Pentzek, Michael
Röhr, Susanne
Welzel, Franziska
Weeg, Dagmar
Mösch, Edelgard
Heser, Kathrin
Wagner, Michael
Riedel-Heller, Steffi G.
Maier, Wolfgang
Scherer, Martin
König, Hans-Helmut
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01GI0102, 01GI0420, 01GI0422, 01GI0423, 01GI0431, 01GI0711, 01GY1322E, 01GY1322F, 01GL1714D)
Bundesministerium für Bildung und Forschung (01GI0429, 01GI0433, 01GI0434, 01GI0710, 01GI0712, 01GI0713, 01GI0714, 01GI0715, 01GI0716, 01GY1322A, 01GY1322B, 01GY1322C, 01GY1322D, 01GY1322G, 01GL1714A, 01GL1714B, 01GL1714C)
Article History
Received: 28 August 2019
Accepted: 23 January 2020
First Online: 27 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of all research centers involved (approval numbers: Hamburg: OB/08/02, 2817/2007, MC-390/13; Bonn: 050/02; 174/02, 258/07, 369/13;Mannheim: 0226.4/2002, 2007-253E-MA, 2013-662 N-MA; Leipzig: 143/2002, 309/2007, 333-1318112013; Düsseldorf: 2079/2002,2999/2008, 2999; München: 713/02, 713/02 E) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: The ethics committees of all six study centers have approved the study. The study was conducted according to the principles expressed in the Declaration of Helsinki.
: Informed consent was obtained from all individual participants included in the study. The procedures followed were in accordance with the ethical standards of the responsible committees.