[1] State Research Center – Institute of Biophysics of the Ministry of Health,
[2] Moscow,undefined
[3] Russian Federation,undefined
[4] Division of Cancer Epidemiology and Genetics,undefined
[5] National Cancer Institute,undefined
[6] National Institutes of Health,undefined
[7] Bethesda,undefined
[8] MD 20892,undefined
[9] USA,undefined
[10] Department of Radiology,undefined
[11] University of Utah,undefined
[12] Salt Lake City,undefined
[13] UT 84108,undefined
[14] USA,undefined