timestamp,action_type,item_id,source,user_answer,platform
1561544778443,enter,b2414,diagnosis,,mobile
1561544796230,respond,q3882,diagnosis,a,mobile
1561544803037,submit,b2414,diagnosis,,mobile
1561544803144,enter,b1365,diagnosis,,mobile
1561544815685,respond,q1365,diagnosis,b,mobile
1561544820958,submit,b1365,diagnosis,,mobile
1561544821050,enter,b4159,diagnosis,,mobile
1561544842332,respond,q5627,diagnosis,d,mobile
1561544846223,submit,b4159,diagnosis,,mobile
1561544846300,enter,b218,diagnosis,,mobile
1561544860162,respond,q218,diagnosis,b,mobile
1561544866689,submit,b218,diagnosis,,mobile
1561544866767,enter,b3,diagnosis,,mobile
1561544897676,respond,q3,diagnosis,d,mobile
1561544901416,submit,b3,diagnosis,,mobile
1561544901522,enter,b4978,diagnosis,,mobile
1561544923860,respond,q6446,diagnosis,d,mobile
1561544927423,submit,b4978,diagnosis,,mobile
1561544927516,enter,b3852,diagnosis,,mobile
1561544967204,respond,q5320,diagnosis,b,mobile
1561544973520,submit,b3852,diagnosis,,mobile