Authors: Alexander M Strasak; Stefan Lang; Thomas Kneib; Larry J Brant; Jochen Klenk; Wolfgang Hilbe; Willi Oberaigner; Elfriede Ruttmann; Lalit Kaltenbach; Hans Concin; Günter Diem; Karl P Pfeiffer; Hanno Ulmer Journal: Ann Epidemiol Date: 2008-10-04 Impact factor: 3.797