| article html file updated | 7 February 2020 18:47 CET | Update | https://www.mdpi.com/1420-3049/21/12/1638 |
| article html file updated | 22 September 2019 07:38 CEST | Update | - |
| article html file updated | 4 May 2019 20:59 CEST | Update | - |
| article html file updated | 17 September 2018 12:48 CEST | Update | - |
| article html file updated | 27 December 2016 12:00 CET | Update | - |
| article html file updated | 29 November 2016 12:44 CET | Original file | - |
| article xml uploaded. | 29 November 2016 12:43 CET | Original file | https://www.mdpi.com/1420-3049/21/12/1638/xml |
| article pdf uploaded. | 29 November 2016 12:43 CET | Version of Record | https://www.mdpi.com/1420-3049/21/12/1638/pdf |
