Karolinska Institutet, Dept of Women's and Children's Health, Stockholm, Sweden
University Hospital Southampton NHS Foundation Trust, Clinical Research Facility, Southampton, United Kingdom
Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, TN, United States of America
Azienda Ospedaliera di Padova, Paediatric Palliative Care and Pain Management Service, Department of Women's and Children's Health Padova University, Padova, Italy
Vels University, Chennai, India