Author contributions
J.B.
Study conception: E.M.M., V.v.K., J.B. Study organization: V.v.K., E.M.M., M.U., B.J., A.D., J.B., C.E., T.Br. Contribution on methods: E.M.M., B.J., K.S. Data acquisition: E.M.M., M.U., V.v.K., B.J., K.S. Medical examinations: S.W., F.H. Reading out and checking the data: B.J., H.B., E.M.M., V.v.K., K.S. Statistical analysis: B.K., B.S., K.S., V.v.K. Data interpretation: V.v.K., B.K., B.S., K.S., E.M.M., J.B. Manuscript preparation: V.v.K. Manuscript editing: J.B., B.K., B.S., K.S., T.Be., S.W., B.J., F.H., E.M. All authors approved the final manuscript.