| article html file updated | 31 August 2025 09:45 CEST | Update | https://www.mdpi.com/2223-7747/9/2/140 |
| article html file updated | 20 July 2022 18:16 CEST | Update | N/A |
| article html file updated | 9 May 2020 09:09 CEST | Update | N/A |
| article xml uploaded. | 9 May 2020 09:07 CEST | Update | https://www.mdpi.com/2223-7747/9/2/140/xml |
| article pdf uploaded. | 9 May 2020 09:07 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/2/140/pdf |
| article html file updated | 6 March 2020 08:22 CET | Update | N/A |
| article html file updated | 17 February 2020 12:47 CET | Original file | N/A |
| article pdf uploaded. | 17 February 2020 12:45 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/140/pdf-vor |
| article xml uploaded. | 17 February 2020 12:45 CET | Update | N/A |
| article xml file uploaded | 17 February 2020 12:45 CET | Update | N/A |
| article pdf uploaded. | 22 January 2020 15:10 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/140/pdf-vor |
| article xml file uploaded | 22 January 2020 15:10 CET | Original file | N/A |