Acknowledgment and Funding
The authors would like to gratefully acknowledge the Vice Chancellor for Research in Mashhad University of Medical Sciences for financial support. This article is a part of the results of the Ph.D. dissertation, grant number 941237 registered in the Mashhad University of Medical Sciences, Mashhad, Iran. They would also like to gratefully thank Mr. Seyed Sadegh Assaran for his participation in blood sampling from patients in Ghaem Hospital.