Published on in Vol 5 , No 2 (2017) :February

1 Consumer Health Informatics Special Interest Group, German Association for Medical Informatics, Biometry and Epidemiology, Cologne, Germany
2 GECKO Institute for Medicine, Informatics and Economics, Heilbronn University, Heilbronn, Germany
3 Department of Medical Informatics, Heilbronn University, Heilbronn, Germany
*these authors contributed equally