[1] Ulster Univ, Inst Nursing & Hlth Res, Shore Rd, Newtownabbey BT37 0QB, North Ireland
[2] Redburn Solut Ltd, Belfast, Antrim, North Ireland
[3] Natl Inst Hlth Doctor Ricardo Jorge, Epidemiol Dept, Lisbon, Portugal
[4] Fdn Promot Hlth & Biomed Res Valencian Reg, Rare Dis Res Unit, Valencia, Spain
[5] Poznan Univ Med Sci, Dept Med Genet, Poznan, Poland
[6] Nova Univ Lisbon, Publ Hlth Res Ctr, Natl Sch Publ Hlth, Lisbon, Portugal