| article html file updated | 30 August 2025 07:35 CEST | Update | https://www.mdpi.com/2227-9091/6/4/113 |
| article html file updated | 20 July 2022 16:32 CEST | Update | N/A |
| article html file updated | 10 February 2020 14:42 CET | Update | N/A |
| article html file updated | 8 October 2019 19:01 CEST | Update | N/A |
| article html file updated | 28 April 2019 22:23 CEST | Update | N/A |
| article html file updated | 14 April 2019 17:35 CEST | Update | N/A |
| article html file updated | 1 April 2019 03:11 CEST | Update | N/A |
| article html file updated | 26 December 2018 10:39 CET | Update | N/A |
| article html file updated | 9 October 2018 08:41 CEST | Original file | N/A |
| article pdf uploaded. | 9 October 2018 08:40 CEST | Version of Record | https://www.mdpi.com/2227-9091/6/4/113/pdf |
| article xml uploaded. | 9 October 2018 08:40 CEST | Update | https://www.mdpi.com/2227-9091/6/4/113/xml |
| article xml file uploaded | 9 October 2018 08:40 CEST | Original file | N/A |