1. From the University of Milan, Ospedale Maggiore, Istituto Auxologico Italiano, Milan, Italy (A.Z.); Wake Forest University School of Medicine, Winston-Salem, NC (M.G.B.); Technische Universität München, Munich, Germany (M.H., A.N.); University of Milano-Bicocca, Monza, Italy (G.M.); University of Padua, Padua, Italy (C.D.P.); University of Uppsala, Uppsala, Sweden (L.H.); University of Bologna, Bologna, Italy (B.M.); Westfälische Wilhelm-Universität Münster, Münster, Germany (K.H.R);...