1. Linköping University, Linköping, Sweden; University of Granada, Granada, Spain; and Karolinska Institutet, Stockholm, Sweden (P.H.)
2. University of Granada, Granada, Spain, and Linköping University, Linköping, Sweden (H.H.)
3. Karolinska Institutet and Stockholm County Council, Stockholm, Sweden (P.T.)
4. Karolinska Institutet, Stockholm, Sweden (D.B.)
5. Karolinska Institutet, Stockholm, Sweden, and Linköping University, Linköping, Sweden (M.L.)
6. Brigham and Women's Hospital, Harvard Medical School, and Harvard T.H. Chan School of Public Health, Boston, Massachusetts (I.L.)
7. National Institute on Aging, Bethesda, Maryland (E.J.S.)
8. University of Granada, Granada, Spain, and Karolinska Institutet, Stockholm, Sweden (F.B.O.)