Thanks for the kind reminder. All the names of medicinal compounds not used have been deleted, including Sulfaquinoxaline (SQX), Sulfathiazole (STZ), Doxycycline (DOX), Roxithromycin (ROX), Penicillin-G (PEN-G), Clarithromycin (CAM), Norfloxacin (NOR), Oxociprofloxacin (OFL), Enrofloxacin (EFL), Flumequine (FQ), Acetaminophen (APAP), Diclofenac sodium (DCF), Naproxen (NAP), Indomethacin (IND), Metoprolol (METO), Propranolol (PRO), Atenolol (ATL), Primidone (PRM), Carbamazepine (CMZ), Sulpiride (SP), Sulfapyridine (SPN), Sulfamonomethoxine (SMM), Tetracycline (TC), Amoxicillin (AM), Dimetridazole (DMZ), Oxytetracycline (OTC) and DEET.
Point 4: The authors should include some information regarding the biological degradation of PPCPs by microorganisms in the introduction section.