for each symptom-row in long data, apply corresponding the detect_symptom_complex and summarise long symptom data frame by PCSS symptom complex returns a dataframe with one row per pid containing the results of PCS Score
calculate_pcs_score_suep(
  trial_data,
  pid,
  days_of_pcss_time_diff,
  vector_of_pcss_fup_visits
)A dataframe with symptom complexes and PCSS-score for specified Follow-Up visits