| article html file updated | 30 August 2025 09:34 CEST | Update | https://www.mdpi.com/2313-0105/4/4/64 |
| article html file updated | 17 July 2022 13:14 CEST | Update | N/A |
| article html file updated | 11 February 2020 01:14 CET | Update | N/A |
| article html file updated | 11 October 2019 11:17 CEST | Update | N/A |
| article html file updated | 27 April 2019 23:43 CEST | Update | N/A |
| article html file updated | 13 April 2019 19:38 CEST | Update | N/A |
| article html file updated | 2 April 2019 07:42 CEST | Update | N/A |
| article html file updated | 26 December 2018 22:53 CET | Update | N/A |
| article html file updated | 5 December 2018 05:01 CET | Original file | N/A |
| article pdf uploaded. | 5 December 2018 05:00 CET | Version of Record | https://www.mdpi.com/2313-0105/4/4/64/pdf |
| article xml uploaded. | 5 December 2018 05:00 CET | Update | https://www.mdpi.com/2313-0105/4/4/64/xml |
| article xml file uploaded | 5 December 2018 05:00 CET | Original file | N/A |