Open Access
Research Article

Table 1

Range of periods and corresponding IMCs.

Name IMCs Periods
Low periods (L) From IMC1 to IMC9 l < 28.8 min
Middle periods (M) From IMC10 to IMC44 28.8 min ≤ l < 10.8 h
High periods (H) From IMC45 to IMC57 l ≥ 10.8 h

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