Harmonization process and reliability assessment of anthropometric measurements in a multicenter study in adolescents. - Nagy,E.; Vicente-Rodriguez,G.; Manios,Y.; Beghin,L.; Iliescu,C.; Censi,L.; Dietrich,S.; Ortega,FB.; De Vriendt,T.; Plada,M.; Moreno,LA.; Molnar,D. (Int J Obes (Lond), 2008)