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FRANCE - DECEMBER 07: Bebequilt, A French Association Caring For The Well-Being Of Highly Premature Babies - On December 7Th, 2005 - In Caen, France - Here, Mateo And His Mother At The Neonatology Unit Of The Chu Hospital Of Caen - These Photos Cannot Be Used In Any Other Context Than That Of This Reportage - They Cannot Be Used To Illustrate An Article On A Different Subject. (Photo by Jean-Luc LUYSSEN/Gamma-Rapho via Getty Images)

FRANCE - DECEMBER 07:  Bebequilt, A French Association Caring For The Well-Being Of Highly Premature Babies - On December 7Th, 2005 - In Caen, France - Here, Mateo And His Mother At The Neonatology Unit Of The Chu Hospital Of Caen - These Photos Cannot Be Used In Any Other Context Than That Of This Reportage - They Cannot Be Used To Illustrate An Article On A Different Subject.  (Photo by Jean-Luc LUYSSEN/Gamma-Rapho via Getty Images)