Acknowledgements
After graduating from the University of Innsbruck Nursing School in Tyrol, Western Austria, Sister Marianne Stoeger, who worked at a hospital in Innsbruck, joined Sorok Island in February 1962. Sister Margaritha Pissarek entered Sorok Island in October 1967. They left Sorok Island on November 21, 2005. Their dedication to medical services made this study possible. The South Korean government nominated them for the Nobel Peace Prize.