| article html file updated | 31 August 2025 02:52 CEST | Update | https://www.mdpi.com/2227-9091/7/4/104 |
| article html file updated | 21 August 2025 22:54 CEST | Update | N/A |
| article html file updated | 14 February 2020 00:41 CET | Update | N/A |
| article html file updated | 31 December 2019 00:03 CET | Update | N/A |
| article html file updated | 14 October 2019 12:29 CEST | Original file | N/A |
| article pdf uploaded. | 14 October 2019 12:28 CEST | Version of Record | https://www.mdpi.com/2227-9091/7/4/104/pdf |
| article xml uploaded. | 14 October 2019 12:28 CEST | Update | https://www.mdpi.com/2227-9091/7/4/104/xml |
| article xml file uploaded | 14 October 2019 12:28 CEST | Original file | N/A |
