| article html file updated | 9 February 2020 01:26 CET | Update | https://www.mdpi.com/1420-3049/23/1/67 |
| article html file updated | 29 September 2019 13:01 CEST | Update | - |
| article html file updated | 2 May 2019 05:38 CEST | Update | - |
| article html file updated | 18 April 2019 03:39 CEST | Update | - |
| article html file updated | 28 March 2019 11:44 CET | Update | - |
| article html file updated | 8 February 2018 11:31 CET | Update | - |
| article html file updated | 1 February 2018 13:02 CET | Update | - |
| article html file updated | 28 December 2017 14:13 CET | Original file | - |
| article xml uploaded. | 28 December 2017 14:11 CET | Original file | https://www.mdpi.com/1420-3049/23/1/67/xml |
| article pdf uploaded. | 28 December 2017 14:11 CET | Version of Record | https://www.mdpi.com/1420-3049/23/1/67/pdf |