Fig. 2From: Content validation of observer-reported sickle cell pain diaries (SCPD-CS and SCPD-CN): results from interviews with caregiversRevision history of the SCPD-CS and SCPD-CN. SCPD-C sickle cell pain diary-caregiver report, CE concept elicitation, CD cognitive debriefing, SCPD-CS sickle cell pain diary-caregiver report for school age children, SCPD-CN sickle cell pain diary-caregiver report for non-school age childrenBack to article page