Variables in Blood Collection of Mother FORM (BCM)
Question#	Question	Field name	Response nature	Response options
1	Participant ID	PID	###
2	BCM Number	bcm no	#
3	Initials of the mother	bcm_A	XX
4	Researcher code	bcm_B	##
5	Date of  blood collection (dd/mmm/yy)	bcm_C	##-XXX-##	dd-mmm-yy
6	Time of blood collection (hour:minutes)	bcm_1	##:##
7	Time of last meal	bcm_2	##:##	hour:minutes/88:88 if no meal until collection time on the day of blood collection
8	Time of last snack	bcm _3	##:##	hour/minutes/88:88 if no snack until collection time on the day of blood collection
9	Amount of whole blood (ml)	bcm _4	#.#
10	Time of Plasma separation	bcm _5	##:##	hour:minutes
11	Number of Plasma Aliquots  (≥0.5 ml plasma each)	bcm_6	##
12	Time when plasma was kept in field site freezer (Nitrogen)	bcm _7	##:##	hour:minutes
13	Date of transfer plasma aliquots from field site	bcm _8	##-XXX-##	dd-mmm-yy
14	Time when  plasma was kept in central lab freezer	bcm_9	##:##	hour:minutes
15	Remarks		TXT