| article html file updated | 7 February 2020 08:58 CET | Update | https://www.mdpi.com/1420-3049/21/5/662 |
| article html file updated | 21 September 2019 17:30 CEST | Update | - |
| article html file updated | 5 May 2019 15:18 CEST | Update | - |
| article html file updated | 27 March 2019 05:11 CET | Update | - |
| article html file updated | 17 September 2018 04:18 CEST | Update | - |
| article html file updated | 26 May 2016 14:05 CEST | Update | - |
| article html file updated | 19 May 2016 14:41 CEST | Original file | - |
| article xml uploaded. | 19 May 2016 14:39 CEST | Update | https://www.mdpi.com/1420-3049/21/5/662/xml |
| article pdf uploaded. | 19 May 2016 14:39 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/5/662/pdf |