| article html file updated | 7 February 2020 19:00 CET | Update | https://www.mdpi.com/1420-3049/21/12/1657 |
| article html file updated | 22 September 2019 08:30 CEST | Update | N/A |
| article html file updated | 4 May 2019 20:30 CEST | Update | N/A |
| article html file updated | 17 September 2018 12:56 CEST | Update | N/A |
| article html file updated | 27 December 2016 12:02 CET | Update | N/A |
| article html file updated | 2 December 2016 11:27 CET | Original file | N/A |
| article xml uploaded. | 2 December 2016 11:26 CET | Original file | https://www.mdpi.com/1420-3049/21/12/1657/xml |
| article pdf uploaded. | 2 December 2016 11:26 CET | Version of Record | https://www.mdpi.com/1420-3049/21/12/1657/pdf |
