This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
All are unique features of WHO growth chas 2006 except 
Select and explain. 
A. Breast fed infants as normative growth model, B. Sample collection from 6 states in the US, C. Includes new indicators such as skinfold thickness, D. Reiterates children grow similarly all over the world.
B: Sample collection from 6 states in the US
Answer: B: Sample collection from 6 states in the US 
Explanation: WHO growth chas are based on multicentre growth reference study( MGRS) conducted in 6 countries all over the world. Brazil Norway Ghana Oman US India Ref: Nelson's ,20th edition, Page 84-89