| article html file updated | 7 February 2020 19:13 CET | Update | https://www.mdpi.com/1420-3049/21/12/1660 |
| article html file updated | 22 September 2019 09:18 CEST | Update | - |
| article html file updated | 4 May 2019 20:05 CEST | Update | - |
| article html file updated | 17 September 2018 12:57 CEST | Update | - |
| article html file updated | 27 December 2016 12:03 CET | Update | - |
| article html file updated | 7 December 2016 16:53 CET | Original file | - |
| article xml uploaded. | 7 December 2016 16:51 CET | Update | https://www.mdpi.com/1420-3049/21/12/1660/xml |
| article xml uploaded. | 7 December 2016 16:51 CET | Original file | - |
| article pdf uploaded. | 7 December 2016 16:51 CET | Version of Record | https://www.mdpi.com/1420-3049/21/12/1660/pdf |
