ISSN:
2044-6055
Note:
This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
In:
BMJ open, London : BMJ Publishing Group, 2011, Bd. 8(2018), 7, e021813, 2044-6055
In:
volume:8
In:
year:2018
Language:
English
Author information:
Rau, Roland 1975-