. Author manuscript; available in PMC: 2016 Jul 18.
Published in final edited form as: Oncology. 2016 Apr 23;90(6):356–362. doi: 10.1159/000445379
This article is licensed under the Creative Commons Attribution 4.0 International License (CC BY) (http://www.karger.com/Services/OpenAccessLicense). Usage, derivative works and distribution are permitted provided that proper credit is given to the author and the original publisher.
Fig. 1.
Flow diagram showing the recruitment of participants.