| article html file updated | 15 August 2026 14:03 CEST | Update | https://www.mdpi.com/2226-4310/6/1/4 |
| article html file updated | 30 August 2025 10:39 CEST | Update | N/A |
| article html file updated | 17 July 2022 21:22 CEST | Update | N/A |
| article html file updated | 11 February 2020 06:57 CET | Update | N/A |
| article html file updated | 12 October 2019 22:24 CEST | Update | N/A |
| article html file updated | 27 April 2019 10:54 CEST | Update | N/A |
| article html file updated | 13 April 2019 06:53 CEST | Update | N/A |
| article html file updated | 2 April 2019 22:42 CEST | Update | N/A |
| article html file updated | 11 January 2019 01:34 CET | Original file | N/A |
| article pdf uploaded. | 10 January 2019 06:10 CET | Updated version of record | https://www.mdpi.com/2226-4310/6/1/4/pdf |
| article xml uploaded. | 10 January 2019 06:10 CET | Update | https://www.mdpi.com/2226-4310/6/1/4/xml |
| article xml file uploaded | 10 January 2019 06:10 CET | Update | N/A |
| article pdf uploaded. | 6 January 2019 08:23 CET | Version of Record | https://www.mdpi.com/2226-4310/6/1/4/pdf-vor |
| article xml file uploaded | 6 January 2019 08:23 CET | Original file | N/A |
