| article html file updated | 31 August 2025 10:43 CEST | Update | https://www.mdpi.com/2076-3921/9/2/137 |
| article html file updated | 20 July 2022 19:15 CEST | Update | N/A |
| article html file updated | 6 March 2020 05:56 CET | Update | N/A |
| article html file updated | 29 February 2020 06:14 CET | Original file | N/A |
| article pdf uploaded. | 29 February 2020 06:13 CET | Updated version of record | https://www.mdpi.com/2076-3921/9/2/137/pdf |
| article xml uploaded. | 29 February 2020 06:13 CET | Update | https://www.mdpi.com/2076-3921/9/2/137/xml |
| article xml file uploaded | 29 February 2020 06:13 CET | Update | N/A |
| article pdf uploaded. | 4 February 2020 16:30 CET | Version of Record | https://www.mdpi.com/2076-3921/9/2/137/pdf-vor |
| article xml file uploaded | 4 February 2020 16:30 CET | Original file | N/A |
