| article html file updated | 7 February 2020 20:23 CET | Update | https://www.mdpi.com/1420-3049/22/1/34 |
| article html file updated | 22 September 2019 15:40 CEST | Update | - |
| article html file updated | 4 May 2019 17:38 CEST | Update | - |
| article html file updated | 10 September 2018 10:04 CEST | Update | - |
| article html file updated | 7 February 2017 10:40 CET | Update | - |
| article html file updated | 27 December 2016 12:17 CET | Original file | - |
| article xml uploaded. | 27 December 2016 11:41 CET | Update | https://www.mdpi.com/1420-3049/22/1/34/xml |
| article xml uploaded. | 27 December 2016 11:41 CET | Original file | - |
| article pdf uploaded. | 27 December 2016 11:41 CET | Version of Record | https://www.mdpi.com/1420-3049/22/1/34/pdf |