case_images: PMC4405201_01
case_images: PMC4405201_02
case_images: PMC4405201_03
case_images: Duration of the illness before reaching the hospital.
case_images: pone.0123135.g004.jpg
case_images: PMC4405201_03_pone.0123135.g004.jpg
case_images: pone.0123135.g004
case_images: Fig 4 depicts the duration of illness before reaching the hospital where the cases were recruited.