A Multiobjective Model for a Multilevel Blood Supply Chain to Improve the Attractiveness of Blood Centers during the COVID-19 Pandemic

Table 5

Population of the selected provincial centers and the characteristics of the blood centers established in each of them (M = mobile, L = local, R = regional).

Population	Provinces	Advertisement budget (MU)			Blood donation time (minute)			Staff experience (year)
		M	L	R	M	L	R	M	L	R
7,153,309	Tehran	3	5	10	20	50	40	5	10	18
577,514	Kerman	1.5	3	5	15	35	25	2	5	11
2,307,177	Mashhad	3	4	8	20	40	30	4	9	16
477,905	Yazd	2	3	6	10	25	15	2	6	14
1,547,164	Isfahan	1	1	3	5	15	10	3	8	15
124,826	Semnan	2	2	4	10	20	15	1	6	13
1,424,641	Tabriz	1.5	2	5	10	25	20	3	8	14
1,249,942	Shiraz	1	1	4	5	10	15	3	7	17
841,145	Ahvaz	2	3	7	15	20	15	2	7	12
165,377	Bushehr	—	—	—	—	—	—	—	—	—