[1] Med Univ Gdansk, Fac Med, Dept Paediat Diabetol & Endocrinol, PL-80210 Gdansk, Poland
[2] Surrey & Sussex Healthcare NHS Trust, Canada Ave, Redhill RH15RH, Surrey, England
[3] Specialized Hosp Wejherowo, Dept Neonatol, PL-84200 Wejherowo, Poland
[4] Med Univ Gdansk, Fac Med, Dept Radiol, PL-80210 Gdansk, Poland
[5] Med Univ Gdansk, Fac Med, Dept Cardiol 1, PL-80210 Gdansk, Poland
[6] Univ Warmia & Mazury, Cardiol Clin 1, Dept Cardiol & Cardiosurg, PL-10719 Olsztyn, Poland
[7] Med Univ Gdansk, Fac Med, Dept Biol & Genet, PL-80210 Gdansk, Poland
[8] Pomeranian Med Univ, Fac Med, Dept Paediat Endocrinol Diabetol Metab Dis & Dev, PL-70204 Szczecin, Poland