| article html file updated | 31 August 2025 10:57 CEST | Update | https://www.mdpi.com/2223-7747/9/2/209 |
| article html file updated | 20 July 2022 19:28 CEST | Update | N/A |
| article html file updated | 6 March 2020 08:59 CET | Update | N/A |
| article html file updated | 1 March 2020 12:57 CET | Original file | N/A |
| article pdf uploaded. | 1 March 2020 12:55 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/209/pdf |
| article xml uploaded. | 1 March 2020 12:55 CET | Update | https://www.mdpi.com/2223-7747/9/2/209/xml |
| article xml file uploaded | 1 March 2020 12:55 CET | Update | N/A |
| article supplementary file uploaded. | 6 February 2020 15:11 CET | - | https://www.mdpi.com/2223-7747/9/2/209#supplementary |
| article pdf uploaded. | 6 February 2020 15:11 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/209/pdf-vor |
| article xml file uploaded | 6 February 2020 15:11 CET | Original file | N/A |
