| article html file updated | 30 August 2025 08:00 CEST | Update | https://www.mdpi.com/2227-7382/6/4/44 |
| article html file updated | 17 July 2022 05:31 CEST | Update | N/A |
| article html file updated | 10 February 2020 16:58 CET | Update | N/A |
| article html file updated | 9 October 2019 08:14 CEST | Update | N/A |
| article html file updated | 28 April 2019 17:51 CEST | Update | N/A |
| article html file updated | 14 April 2019 13:02 CEST | Update | N/A |
| article html file updated | 1 April 2019 09:13 CEST | Update | N/A |
| article html file updated | 26 December 2018 23:14 CET | Update | N/A |
| article pdf uploaded. | 20 October 2018 04:57 CEST | Version of Record | https://www.mdpi.com/2227-7382/6/4/44/pdf |
| article xml uploaded. | 20 October 2018 04:57 CEST | Update | https://www.mdpi.com/2227-7382/6/4/44/xml |
| article xml file uploaded | 20 October 2018 04:57 CEST | Original file | N/A |
| article html file updated | 20 October 2018 04:57 CEST | Original file | N/A |