Proposed Ref [34] Ref [13]
\(\mathcal{H}\) 6.28613 - -
\(\mathcal{G}\) 4.22207 - -
\(\mathcal{C}\) 6.80199 - -
\(\mathcal{W}\) 6.57407 7.26963 6.83103
HS - - -
GS - - -
\(\mathcal{R}\) 2.82216 - -
\(\mathcal{M}\) 4.76982 - -