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| article html file updated | 30 July 2018 12:17 CEST | Original file | - |
| article pdf uploaded. | 30 July 2018 11:07 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/8/1972/pdf |
| article xml uploaded. | 30 July 2018 11:07 CEST | Update | https://www.mdpi.com/1996-1073/11/8/1972/xml |
| article xml file uploaded | 30 July 2018 11:07 CEST | Original file | - |