[1]Univ Glasgow, Glasgow, Lanark, Scotland.
[2]Univ Glasgow, Sch Med, Glasgow, Lanark, Scotland.
[3]Univ Cambridge, Cambridge, England.
[4]Addenbrookes Hosp, Cambridge, England.
[5]Univ Birmingham, Birmingham, W Midlands, England.
[6]Hosp Valle De Hebron, CIBERER, VHIR, Barcelona, Spain.
[7]S Orsola Malpighi Univ Hosp, Bologna, Italy.
[8]Univ Pisa, Pisa, Italy.
[9]Royal Devon & Exeter Fdn Trust, Exeter, Devon, England.
[10]Hop Mere Enfant, Lyon, France.
[11]Radboud Amalia Childrens Hosp, Radboud, Netherlands.
[12]Univ Ghent, Ghent, Belgium.
[13]Istanbul Fac Med, Istanbul, Turkey.
[14]Southampton Childrens Hosp, Southampton, Hants, England.
[15]Al Neelain Univ, Khartoum, Sudan.
[16]Carol Davila Univ Med, Bucharest, Romania.
[17]Med Univ Silesia, Katowice, Poland.
[18]Marmara Univ, Istanbul, Turkey.
[19]Sophia Childrens Univ Hosp, Erasmus Med Ctr, Rotterdam, Netherlands.
[20]Monash Childrens Hosp, Melbourne, Vic, Australia.
[21]Univ Lubeck, Lubeck, Germany.
[22]Univ Kiel, Kiel, Germany.
[23]Univ Hosp Schleswig Holstein, Kiel, Germany.
[24]Varna Med Univ, Varna, Bulgaria.
[25]Hop Enfants, Casablanca, Morocco.
[26]West Herts Hosp Trust, St Albans, West Hertfordsh, England.
[27]Birmingham Womens & Childrens Hosp, Birmingham, W Midlands, England.
[28]Univ Hosp Southampton, Southampton, Hants, England.
[29]First Hosp Jilin Univ, Jilin, Jilin, Peoples R China.
[30]Univ Med & Pharm Craiova, Craiova, Romania.
[31]Univ Hosp Motol, Prague, Czech Republic.
[32]Natl Res Ctr, Cairo, Egypt.
[33]Otto Von Guericke Univ, Magdeburg, Germany.
[34]Poznan Univ Med Sci, Poznan, Poland.
[35]Karolinska Univ Hosp, Karolinska Inst, Stockholm, Sweden.
[36]Hosp Ninos Dr Ricardo Gutierrez, Ctr Invest Endocrinol Dr Cesar Bergada CEDIE, CONICET, FEI,Div Endocrinol, Buenos Aires, DF, Argentina.
[37]Tel Aviv Univ, Tel Aviv, Israel.
[38]Dana Dwek Children Hosp, Tel Aviv Sourasky Med Ctr, Pediat Endocrinol & Diabet Unit, Tel Aviv, Israel.
[39]Tel Aviv Univ, Sackler Fac Med, Tel Aviv, Tel Aviv, Israel.