Column Headers for participant fields are:
Date of Birth (format YYYY-MM-DD)
Street Address 2
State Region (ex: PA, NJ)
Time Zone (ex: -5.0, -6.0)
Social Security Number (format XXX-XX-XXXX)
You can also add/update variable values. Simply add a column with the variable name as the header. The column header and values are not case sensitive. For example, for the list variable “location” with the options PAH, PPMC and HUP, W2H will accept an input of “Location” or “LOCATION” as well as “HUP” or “hup”.