{"eventGroups":[{"deathsNumAffected":0,"deathsNumAtRisk":1,"description":"once-time 585 nm pulsed dye laser (PDL) treatment on the lesions, immediately followed by 3-month oral taking diindolylmethane (DIM, at 1.2-1.75mg/kg/day), in 15 subjects","id":"EG000","otherNumAffected":0,"otherNumAtRisk":1,"seriousNumAffected":0,"seriousNumAtRisk":1,"title":"PDL+DIM Pill"},{"deathsNumAffected":0,"deathsNumAtRisk":0,"description":"once-time PDL treatment by PDL on the lesions, then followed by 3-month oral taking DIM placebo, in other 15 subjects","id":"EG001","otherNumAffected":0,"otherNumAtRisk":0,"seriousNumAffected":0,"seriousNumAtRisk":0,"title":"PDL+Placebo Pill"}],"frequencyThreshold":"0","timeFrame":"3 months after surgery"}