The suspect in a deadly arson attack on a Kyoto Animation Co. studio suffered life-threatening burns on 90 percent of his body and has undergone surgeries without using donor skin, in the first case of such procedures for critical burns, medical sources said Tuesday.Shinji Aoba was in critical condition with severe burns that destroyed the innermost layer of the skin, the subcutaneous tissue, after he set the studio on fire in July which killed 36 people and injured 33 others, the sources said.Donor skin is typically used in initial treatment for widespread burns, as only a limited part of …READ FULL ARTICLE