Department of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy;
Istituto Auxologico Italiano, IRCCS, Department of Cardiovascular, Neural and Metabolic Sciences, S.Luca Hospital, Milan, Italy.
Institute for Social and Preventive Medicine, University of Bern, Bern, Switzerland. ARTORG Center for Biomedical Engineering Research University of Bern, Bern, Switzerland. I.M. Sechenov First Moscow State Medical University, Moscow,Russian Federation.