| article html file updated | 17 August 2026 00:45 CEST | Update | https://www.mdpi.com/2077-0383/9/2/309 |
| article html file updated | 24 December 2025 17:13 CET | Update | N/A |
| article html file updated | 31 August 2025 09:43 CEST | Update | N/A |
| article html file updated | 20 July 2022 18:14 CEST | Update | N/A |
| article html file updated | 7 March 2020 07:54 CET | Update | N/A |
| article html file updated | 7 March 2020 01:25 CET | Update | N/A |
| article html file updated | 17 February 2020 12:57 CET | Original file | N/A |
| article pdf uploaded. | 17 February 2020 12:56 CET | Updated version of record | https://www.mdpi.com/2077-0383/9/2/309/pdf |
| article xml uploaded. | 17 February 2020 12:56 CET | Update | https://www.mdpi.com/2077-0383/9/2/309/xml |
| article xml file uploaded | 17 February 2020 12:56 CET | Update | N/A |
| article pdf uploaded. | 22 January 2020 12:33 CET | Version of Record | https://www.mdpi.com/2077-0383/9/2/309/pdf-vor |
| article xml file uploaded | 22 January 2020 12:33 CET | Original file | N/A |
