1. Faculty of Medicine, Universitas Airlangga, Surabaya City, East Java 60132, Indonesia
2. Department of Anesthesiology and Intensive Care, Universitas Airlangga Hospital, Surabaya City, East Java 60115, Indonesia
3. Department of Anesthesiology and Intensive Care, Dr. Hasan Sadikin Central General Hospital, Bandung City, West Java 40161, Indonesia