Further to policy 4.3.2, the expense authority may receive assistance from staff to fulfill his/her responsibilities. However, the expense authority is accountable for expenditure approval, and approval of payment requisitions for direct invoices (i.e., vendor invoices or items not matched to a purchase order or contract using iProcurement).
Comorbidity: Addiction and Other Mental Illnesses. When two disorders or illnesses occur in the same person, simultaneously or sequentially, they are described as comorbid. Comorbidity also implies interactions between the illnesses that affect the course and prognosis of both.
A review of the literature suggests that in older cancer patients, comorbid conditions and their treatment may interact with cancer treatment and prognosis (Extermann, 2007) and also have been identified as relevant factors in the effects of treatment and mortality of cancer patients (D'Amico et al.