Intervention Patients in the intervention arm will receive single-dose intramuscular injections of 300,000 IU of vitamin D3 (1 ml). Individuals will be informed about the nature of this study.
InterventionPatients in the intervention arm will receive single-doseintramuscular injections of 300,000 IU of vitamin D3(1 ml). Individuals will be informed about the natureof this study.