The authors regret that there were errors in the calculation of the values of the work of adhesion. Consequently, the work of adhesion values in tables 2 and 3 have been corrected. These changes do not in any way alter the conclusions of this paper as well as the discussions. The corrections are shown below and have been updated on the online version. 1. Correction in Table 2 [Table presented] 2. Correction in Table 3 [Table presented]. The following values of work of adhesion are also corrected: 3.1. Section 3.2.1 (page 286), paragraph 1, line 20 The value 1.38 ± 0.2 (kcal/molÅ2) has been corrected to 0.138 ± 0.02 (kcal/molÅ2).3.2. Section 3.2.1 (page 287), paragraph 2, line 19 The value 1.99 (kcal/molÅ2) has been corrected to 0.199 (kcal/molÅ2).The authors apologise for any inconvenience caused. © 2017 Elsevier Ltd