| article html file updated | 11 February 2020 10:22 CET | Update | https://www.mdpi.com/2227-7102/9/1/19 |
| article html file updated | 27 April 2019 03:41 CEST | Update | - |
| article html file updated | 12 April 2019 23:44 CEST | Update | - |
| article html file updated | 10 April 2019 21:11 CEST | Update | - |
| article html file updated | 3 April 2019 06:47 CEST | Update | - |
| article html file updated | 21 January 2019 05:26 CET | Original file | - |
| article pdf uploaded. | 21 January 2019 05:24 CET | Version of Record | https://www.mdpi.com/2227-7102/9/1/19/pdf |
| article xml uploaded. | 21 January 2019 05:24 CET | Update | https://www.mdpi.com/2227-7102/9/1/19/xml |
| article xml file uploaded | 21 January 2019 05:24 CET | Original file | - |
