| article html file updated | 7 February 2020 18:57 CET | Update | https://www.mdpi.com/1420-3049/21/12/1644 |
| article html file updated | 22 September 2019 08:17 CEST | Update | N/A |
| article html file updated | 4 May 2019 20:38 CEST | Update | N/A |
| article html file updated | 17 September 2018 12:51 CEST | Update | N/A |
| article html file updated | 27 December 2016 12:00 CET | Update | N/A |
| article html file updated | 1 December 2016 14:30 CET | Original file | N/A |
| article xml uploaded. | 1 December 2016 14:28 CET | Original file | https://www.mdpi.com/1420-3049/21/12/1644/xml |
| article pdf uploaded. | 1 December 2016 14:28 CET | Version of Record | https://www.mdpi.com/1420-3049/21/12/1644/pdf |
