Letter to the Editor for state of the art: proximal junctional kyphosis; diagnosis, management and prevention

Affiliations

• ¹ Spine and Scoliosis Surgery, College of Physicians and Surgeons, Columbia University, NewYork-Presbyterian/The Allen Hospital/Och Spine Hospital, 5141 Broadway, 3FW, New York, NY, 10034, USA. zeeshan.sardar@hotmail.com.
• ² Seoul Bumin Hospital, Seoul, Korea.
• ³ Lenox Hill Hospital, New York, NY, USA.
• ⁴ New England Baptist Hospital, Boston, MA, USA.
• ⁵ Spine and Scoliosis Surgery, College of Physicians and Surgeons, Columbia University, NewYork-Presbyterian/The Allen Hospital/Och Spine Hospital, 5141 Broadway, 3FW, New York, NY, 10034, USA.
• ⁶ University of California-Davis, Sacramento, CA, USA.