| References | |
|---|---|
| Factors influencing the nervous system | |
| ATP | [14] |
| Prostaglandin E2 | [16] |
| Glutamate | [8] |
| Dopamine | [8] |
| Factor influencing the cardiovascular system | |
| Nitric oxide (NO) | [17] |
| Factors influencing the endocrine and immune systems | |
| Proopiomelanocortin (POMC) | [18] |
| Corticotropin releasing hormone (CRH) | [18] |
| Cortisol | [19] |
| IL-1α | [20] |
| TNF-α | [20] |
| IL-6 | [20] |