Published on in Vol 5, No 2 (2017): February
1 GECKO Institute for Medicine, Informatics and Economics, Heilbronn University, Heilbronn, Germany
2 Consumer Health Informatics Special Interest Group, German Association for Medical Informatics, Biometry and Epidemiology, Cologne, Germany
3 Department of Medical Informatics, Heilbronn University, Heilbronn, Germany
*these authors contributed equally