| article html file updated | 7 February 2020 15:04 CET | Update | https://www.mdpi.com/1420-3049/21/9/1234 |
| article html file updated | 22 September 2019 01:03 CEST | Update | - |
| article html file updated | 5 May 2019 03:57 CEST | Update | - |
| article html file updated | 17 September 2018 06:56 CEST | Update | - |
| article html file updated | 29 September 2016 08:41 CEST | Update | - |
| article html file updated | 15 September 2016 12:22 CEST | Original file | - |
| article xml uploaded. | 15 September 2016 12:21 CEST | Original file | https://www.mdpi.com/1420-3049/21/9/1234/xml |
| article pdf uploaded. | 15 September 2016 12:21 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/9/1234/pdf |
