Institute of HygieneDidžioji str. 22, LT-01128 Vilnius, LithuaniaTelephone: (+370 5) 262 4583, fax: (+370 5) 262 4663, e-mail: institutas@hi.ltWorking hours: I–IV 8:00–16:45, V 8:00–15:30, lunch: 12:00–12:30