add the following columns to surveyfrageboge: ecu_psqi_comp_1, ecu_psqi_comp_2_sum, ecu_psqi_comp_2, ecu_psqi_comp_3, ecu_psqi_comp_4, ecu_psqi_comp_5_sum, ecu_psqi_comp_5, ecu_psqi_comp_6, ecu_psqi_comp_7_sum, ecu_psqi_comp_7, ecu_psqi_global_score
primary_coding_pop_psqi(trial_data)