Symptom Information: Sort according to HPO 

	Symptom Information	Symptom	Abundance	Frequency	Pubmed	Source	DB Freq
1	(HPO:0001250)	Seizures	Very frequent [Orphanet]				1245 / 7739
2	(HPO:0001276)	Hypertonia	Very frequent [Orphanet]				317 / 7739
3	(HPO:0000572)	Visual loss	Very frequent [Orphanet]				272 / 7739
4	(HPO:0012758)	Neurodevelopmental delay	Very frequent [Orphanet]				949 / 7739