1. Universidade de Vigo, Campus Universitario Lagoas Marcosende, and Galicia Sur Health Research Institute, Servicio Galego de Saúde Universidade de Vigo Vigo Spain
2. University of Utrecht Utrecht The Netherlands
3. University of Utrecht, Utrecht, The Netherlands, and Galicia Sur Health Research Institute and University Hospital Complex of Vigo Vigo Spain
4. Galicia Sur Health Research Institute Servicio Galego de Saúde Universidade de Vigo, and University Hospital Complex of Vigo Vigo Spain
5. Erasmus Medical Center, Rotterdam, The Netherlands, and Leiden University Medical Center Leiden the Netherlands
6. St. Vincent's University Hospital and University College Dublin, and Trinity College Dublin Dublin Ireland
7. Hospital Clínico Universitario de Santiago de Compostela, Servicio Galego de Saúde Santiago de Compostela Spain
8. St. Vincent's University Hospital and University College Dublin Dublin Ireland