| article html file updated | 9 February 2020 04:45 CET | Update | https://www.mdpi.com/2075-163X/8/2/45 |
| article html file updated | 1 May 2019 22:43 CEST | Update | - |
| article html file updated | 17 April 2019 21:23 CEST | Update | - |
| article html file updated | 28 March 2019 19:14 CET | Update | - |
| article html file updated | 14 March 2018 15:02 CET | Update | - |
| article html file updated | 29 January 2018 16:07 CET | Original file | - |
| article xml uploaded. | 29 January 2018 16:05 CET | Update | https://www.mdpi.com/2075-163X/8/2/45/xml |
| article xml uploaded. | 29 January 2018 16:05 CET | Update | - |
| article xml uploaded. | 29 January 2018 16:05 CET | Original file | - |
| article pdf uploaded. | 29 January 2018 16:05 CET | Version of Record | https://www.mdpi.com/2075-163X/8/2/45/pdf |
