| article html file updated | 9 February 2020 00:00 CET | Update | https://www.mdpi.com/2073-4360/9/12/708 |
| article html file updated | 29 September 2019 04:45 CEST | Update | - |
| article html file updated | 2 May 2019 08:44 CEST | Update | - |
| article html file updated | 18 April 2019 06:30 CEST | Update | - |
| article html file updated | 2 January 2018 14:48 CET | Update | - |
| article html file updated | 13 December 2017 15:23 CET | Original file | - |
| article xml uploaded. | 13 December 2017 15:22 CET | Update | https://www.mdpi.com/2073-4360/9/12/708/xml |
| article xml uploaded. | 13 December 2017 15:22 CET | Update | - |
| article xml uploaded. | 13 December 2017 15:22 CET | Update | - |
| article xml uploaded. | 13 December 2017 15:22 CET | Original file | - |
| article pdf uploaded. | 13 December 2017 15:22 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/708/pdf |
