| article html file updated | 24 December 2025 17:08 CET | Update | https://www.mdpi.com/2077-0383/9/1/257 |
| article html file updated | 31 August 2025 09:17 CEST | Update | N/A |
| article html file updated | 20 July 2022 17:49 CEST | Update | N/A |
| article html file updated | 15 February 2020 03:55 CET | Update | N/A |
| article html file updated | 6 February 2020 22:48 CET | Update | N/A |
| article html file updated | 5 February 2020 14:55 CET | Update | N/A |
| article html file updated | 20 January 2020 06:58 CET | Original file | N/A |
| article pdf uploaded. | 20 January 2020 06:56 CET | Updated version of record | https://www.mdpi.com/2077-0383/9/1/257/pdf |
| article xml uploaded. | 20 January 2020 06:56 CET | Update | https://www.mdpi.com/2077-0383/9/1/257/xml |
| article xml file uploaded | 20 January 2020 06:56 CET | Update | N/A |
| article pdf uploaded. | 17 January 2020 15:35 CET | Version of Record | https://www.mdpi.com/2077-0383/9/1/257/pdf-vor |
| article xml file uploaded | 17 January 2020 15:35 CET | Original file | N/A |