1. Universidad Central de Chile, Chile
2. Molde University College, Norway; Møre og Romsdal Health Trust, Norway
3. Department of Internal Medicine, Dermatology and Psychiatry, University of La Laguna, San Cristóbal de La Laguna, Spain and Instituto Universitario de Neurociencias (IUNE), Universidad de La Laguna, Canary Islands, Spain.
4. St Olav’s Hospital University, Norway; Norwegian University of Science and Technology (NTNU), Norway