Financial support
Author AHB was funded for salary by Swedish Research Council grant nr K2012-61-P-22131-01-6 and additional project funding for author KK came from grant nrK2012-61X-22132-01-6 and a scholarship from the KRICA foundation. The study was also supported by grant nr 20140487 to author AHB provided by Region Stockholm (PPG project for patient-focused research and development in Primary Care, Psychiatry, and Geriatrics), supporting author KK. Authors EHL and EA received no specific funding to participate in this project. The funding organizations had no role in the conception of the study, in the analyses of the data, in the writing of the manuscript, nor in the decision to submit it for publication.