Incidence and predictive factors of shoulder imbalance after selective anterior spinal fusion surgery in Lenke type 5C adolescent idiopathic scoliosis oleh Toshiki Okubo, MD, PhD, Tsunehiko Konomi, MD, PhD, Yoshihide Yanai, MD, Yoshiomi Kobayashi, MD, PhD, Mitsuru Furukawa, MD, PhD, Kanehiro Fujiyoshi, MD, PhD, Takashi Asazuma, MD, PhD, Yoshiyuki Yato, MD, PhD