| article html file updated | 30 August 2025 09:57 CEST | Update | https://www.mdpi.com/2227-9091/6/4/145 |
| article html file updated | 17 July 2022 15:43 CEST | Update | - |
| article html file updated | 11 February 2020 03:10 CET | Update | - |
| article html file updated | 11 October 2019 23:01 CEST | Update | - |
| article html file updated | 27 April 2019 19:23 CEST | Update | - |
| article html file updated | 13 April 2019 15:20 CEST | Update | - |
| article html file updated | 2 April 2019 13:14 CEST | Update | - |
| article html file updated | 26 December 2018 11:02 CET | Update | - |
| article html file updated | 14 December 2018 09:14 CET | Original file | - |
| article pdf uploaded. | 14 December 2018 09:13 CET | Version of Record | https://www.mdpi.com/2227-9091/6/4/145/pdf |
| article xml uploaded. | 14 December 2018 09:13 CET | Update | https://www.mdpi.com/2227-9091/6/4/145/xml |
| article xml file uploaded | 14 December 2018 09:13 CET | Original file | - |
