| article html file updated | 7 February 2020 20:30 CET | Update | https://www.mdpi.com/1420-3049/22/1/52 |
| article html file updated | 22 September 2019 16:18 CEST | Update | - |
| article html file updated | 4 May 2019 17:24 CEST | Update | - |
| article html file updated | 10 September 2018 10:07 CEST | Update | - |
| article html file updated | 7 February 2017 10:43 CET | Update | - |
| article html file updated | 29 December 2016 11:12 CET | Original file | - |
| article xml uploaded. | 29 December 2016 10:57 CET | Original file | https://www.mdpi.com/1420-3049/22/1/52/xml |
| article pdf uploaded. | 29 December 2016 10:57 CET | Version of Record | https://www.mdpi.com/1420-3049/22/1/52/pdf |
