School of Business Studies, Stralsund University of Applied Sciences, 18435 Stralsund, Germany
Robert M Hamm
Department of Family and Preventive Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
Jef Van den Ende
Institute of Tropical Medicine, Antwerp, Belgium
Iztok Hozo
Department of Mathematics, Indiana University Northwest, Gary, IN, USA
Benjamin Djulbegovic
USF Program for Comparative Research Effectiveness, Division of Evidence-Based Medicine, Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
