title: Response to the editorial on "Defining vitamin D deficiency, using surrogate markers".
authors.affiliation: Department of Laboratory Sciences, Tata Medical Center, Rajarhat, Kolkata, India.
authors.forename: Subhosmito
authors.initials: S
authors.lastname: Chakraborty
authors.affiliation: Department of Digestive Diseases, Tata Medical Center, Rajarhat, Kolkata, India.
authors.forename: Mohandas K
authors.initials: MK
authors.lastname: Mallath
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