[1] Vilnius State Univ, Ctr Abdominal Surg, Hosp Santariskiu Klinikos, LT-08661 Vilnius, Lithuania
[2] Vilnius State Univ, Fac Med, LT-08661 Vilnius, Lithuania
[3] Vilnius State Univ, Ctr Hepatol Gastroenterol & Dietet, Hosp Santariskiu Klinikos, LT-08661 Vilnius, Lithuania
[4] Vilnius State Univ, Ctr Vasc Surg, Hosp Santariskiu Klinikos, LT-08661 Vilnius, Lithuania
[5] Vilnius State Univ, Ctr Anaesthesiol Intens Care & Pain Management, Hosp Santariskiu Klinikos, LT-08661 Vilnius, Lithuania
[6] Vilnius State Univ, Ctr Radiol, Hosp Santariskiu Klinikos, LT-08661 Vilnius, Lithuania
[7] Vilnius State Univ, Ctr Lab Diagnost, Hosp Santariskiu Klinikos, Clin Immunol Lab, LT-08661 Vilnius, Lithuania
[8] Natl Ctr Pathol, Vilnius, Lithuania