| article html file updated | 7 February 2020 19:18 CET | Update | https://www.mdpi.com/1420-3049/21/12/1691 |
| article html file updated | 22 September 2019 09:42 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:54 CEST | Update | N/A |
| article html file updated | 17 September 2018 13:15 CEST | Update | N/A |
| article html file updated | 27 December 2016 12:07 CET | Update | N/A |
| article html file updated | 8 December 2016 12:00 CET | Original file | N/A |
| article xml uploaded. | 8 December 2016 11:59 CET | Update | https://www.mdpi.com/1420-3049/21/12/1691/xml |
| article xml uploaded. | 8 December 2016 11:59 CET | Original file | N/A |
| article pdf uploaded. | 8 December 2016 11:59 CET | Version of Record | https://www.mdpi.com/1420-3049/21/12/1691/pdf |
