| article html file updated | 31 August 2025 05:23 CEST | Update | https://www.mdpi.com/2311-5521/4/4/199 |
| article html file updated | 21 August 2025 23:30 CEST | Update | N/A |
| article html file updated | 14 February 2020 14:22 CET | Update | N/A |
| article html file updated | 31 December 2019 15:02 CET | Update | N/A |
| article html file updated | 18 December 2019 12:28 CET | Original file | N/A |
| article pdf uploaded. | 18 December 2019 12:24 CET | Updated version of record | https://www.mdpi.com/2311-5521/4/4/199/pdf |
| article xml uploaded. | 18 December 2019 12:24 CET | Update | https://www.mdpi.com/2311-5521/4/4/199/xml |
| article xml file uploaded | 18 December 2019 12:24 CET | Update | N/A |
| article pdf uploaded. | 29 November 2019 12:17 CET | Version of Record | https://www.mdpi.com/2311-5521/4/4/199/pdf-vor |
| article xml file uploaded | 29 November 2019 12:17 CET | Original file | N/A |
