Published on in Vol 4, No 4 (2015): Oct-Dec
1 Centre for Public Health and Healthcare, Hannover Medical School, Hannover, Germany
2 Institute of Biostatistics, Hannover Medical School, Hannover, Germany
3 Ostseeklinik Schönberg Holm, Centre for Rehabilitation, Pneumology, Cardiology and Orthopedics, Schönberg-Holm, Germany
4 Centre for Rehabilitation, Pneumology and Cardiology, MediClin Albert Schweitzer Klinik, Königsfeld, Germany
5 Center for Rehabilitation, Pneumology and Oncology, Wehrawald Clinic, Todtmoos, Germany
6 Bad Reichenhall Clinic, Centre for Rehabilitation, Pneumology and Orthopedics, Bad Reichenhall, Germany