Before revision: It was developed by Ignacio V. Ponseti of the University of Iowa Hospitals and Clinics, USA in the 1950s, and was repopularized in 2000 by John Herzenberg in the USA and Europe and in Africa by NHS surgeon Steve Mannion.
After revision: It was developed by Ignacio V. Ponseti of the University of Iowa Hospitals and Clinics, US in the 1950s, and was repopularized in 2000 by John Herzenberg in the USA and Europe and in Africa by NHS surgeon Steve Mannion.