Department of Industrial Engineering, Ajou University, Suwon Gyeonggi-do 443-749, South Korea;
Department of Industrial Engineering, Ajou University, Suwon Gyeonggi-do 443-749, South Korea;
Medical Device Evaluation Engineering Center, Korea Testing Laboratory, Guro-gu Seoul 152-718, South Korea;
Department of Industrial Engineering, Ajou University, Suwon Gyeonggi-do 443-749, South Korea;