This author has not been identified. Look up 'Irina Legchenkova' in GoogleThis author has not been identified. Look up 'Mark Frenkel' in GoogleThis author has not been identified. Look up 'Nir Shvalb' in GoogleThis author has not been identified. Look up 'Shraga Shoval' in GoogleThis author has not been identified. Look up 'Oleg V. Gendelman' in GoogleThis author has not been identified. Look up 'Edward Bormashenko' in Google