| article html file updated | 7 February 2020 19:13 CET | Update | https://www.mdpi.com/1420-3049/21/12/1681 |
| article html file updated | 22 September 2019 09:17 CEST | Update | - |
| article html file updated | 4 May 2019 20:06 CEST | Update | - |
| article html file updated | 17 September 2018 13:10 CEST | Update | - |
| article html file updated | 27 December 2016 12:06 CET | Update | - |
| article html file updated | 8 December 2016 08:39 CET | Original file | - |
| article xml uploaded. | 8 December 2016 08:38 CET | Original file | https://www.mdpi.com/1420-3049/21/12/1681/xml |
| article pdf uploaded. | 8 December 2016 08:38 CET | Version of Record | https://www.mdpi.com/1420-3049/21/12/1681/pdf |
