| article html file updated | 8 February 2020 08:14 CET | Update | https://www.mdpi.com/1420-3049/22/6/970 |
| article html file updated | 25 September 2019 08:09 CEST | Update | - |
| article html file updated | 3 May 2019 17:33 CEST | Update | - |
| article html file updated | 30 June 2017 12:30 CEST | Update | - |
| article html file updated | 14 June 2017 16:31 CEST | Original file | - |
| article xml uploaded. | 14 June 2017 16:30 CEST | Update | https://www.mdpi.com/1420-3049/22/6/970/xml |
| article pdf uploaded. | 14 June 2017 16:30 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/6/970/pdf |
