K. Staub, F. Rühli, U. Woitek, and C. Pfister, “The average height of 18- and 19-year-old conscripts (N=458,322) in Switzerland from 1992 to 2009, and the secular height trend since 1878”, Swiss Med Wkly, vol. 141, no. 2930, p. w13238, Jul. 2011.