| article html file updated | 14 February 2020 05:49 CET | Update | https://www.mdpi.com/2306-5710/5/4/63 |
| article html file updated | 31 December 2019 11:12 CET | Update | - |
| article html file updated | 1 November 2019 09:40 CET | Original file | - |
| article pdf uploaded. | 1 November 2019 09:38 CET | Version of Record | https://www.mdpi.com/2306-5710/5/4/63/pdf |
| article xml uploaded. | 1 November 2019 09:38 CET | Update | https://www.mdpi.com/2306-5710/5/4/63/xml |
| article xml file uploaded | 1 November 2019 09:38 CET | Original file | - |
