| article html file updated | 31 August 2025 12:05 CEST | Update | https://www.mdpi.com/2223-7747/9/2/273 |
| article html file updated | 20 July 2022 20:36 CEST | Update | N/A |
| article html file updated | 6 March 2020 09:44 CET | Update | N/A |
| article html file updated | 19 February 2020 12:30 CET | Update | N/A |
| article html file updated | 19 February 2020 12:30 CET | Original file | N/A |
| article pdf uploaded. | 19 February 2020 12:29 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/273/pdf |
| article xml uploaded. | 19 February 2020 12:29 CET | Update | https://www.mdpi.com/2223-7747/9/2/273/xml |
| article xml file uploaded | 19 February 2020 12:29 CET | Update | N/A |
| article supplementary file uploaded. | 19 February 2020 12:28 CET | - | https://www.mdpi.com/2223-7747/9/2/273#supplementary |
| article pdf uploaded. | 19 February 2020 12:28 CET | Version of Record | N/A |
| article xml uploaded. | 19 February 2020 12:28 CET | Update | N/A |
| article xml file uploaded | 19 February 2020 12:28 CET | Original file | N/A |
