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A Syrian refugee waits at a clinic at the Zaatari refugee camp as German Economy Minister Sigmar Gabriel visits the camp near Mafraq, north of Amman, Jordan, September 22, 2015 (Credit: AP Photo/Raad Adayleh)

A Syrian refugee waits at a clinic at the Zaatari refugee camp as German Economy Minister Sigmar Gabriel visits the camp near Mafraq, north of Amman, Jordan, September 22, 2015 (Credit: AP Photo/Raad Adayleh)