RAPIDIRON Trial follow-up study — the RAPIDIRON-KIDS Study: protocol of a prospective observational follow-up study oleh Richard J. Derman, Roopa B. Bellad, Mrutyunjaya B. Bellad, Jesse Bradford-Rogers, Michael K. Georgieff, Zubair H. Aghai, Simal Thind, Michael Auerbach, Rupsa Boelig, Benjamin E. Leiby, Vanessa Short, S. Yogeshkumar, Umesh S. Charantimath, Manjunath S. Somannavar, Ashalata A. Mallapur, Ramesh Pol, Umesh Ramadurg, Radha Sangavi, Basavaraj V. Peerapur, Nasima Banu, Praveen S. Patil, Amaresh P. Patil, Subarna Roy, Phaniraj Vastrad, Dennis Wallace, Hemang Shah, Shivaprasad S. Goudar