Reply to: Meta-analysis of vitamin D supplementation and hemoglobin concentration: methodological faults obscure the interpretation of the data

Leila Sadat Bahrami,Abdolreza Norouzy,Seyyed Mostafa Arabi,Golnaz Ranjbar

doi:10.1186/s12937-021-00682-9

Abstract

Reply to: Meta-analysis of vitamin D supplementation and hemoglobin concentration: methodological faults obscure the interpretation of the data

Highlights

PICOS was used in the study design
While it is not compulsory to submit all systematic reviews at PROSPERO, all the principles mentioned in PROSPERO were followed
In the corrected version of the paper [2], we have clarified that no restrictions were placed on the gender, race, and geographical distribution of the individuals enrolled in the study

Summary

Introduction

We have followed the PRISMA guidelines according to the most recent research standards (page 3 of the article). PICOS was used in the study design (amendments are made on page 2).

Results

Conclusion