| article html file updated | 25 December 2025 03:09 CET | Update | https://www.mdpi.com/2227-9717/9/2/271 |
| article html file updated | 1 September 2025 20:15 CEST | Update | N/A |
| article html file updated | 24 July 2022 08:25 CEST | Update | N/A |
| article html file updated | 9 February 2021 15:08 CET | Update | N/A |
| article pdf uploaded. | 9 February 2021 15:06 CET | Updated version of record | https://www.mdpi.com/2227-9717/9/2/271/pdf |
| article xml uploaded. | 9 February 2021 15:06 CET | Update | https://www.mdpi.com/2227-9717/9/2/271/xml |
| article xml file uploaded | 9 February 2021 15:06 CET | Update | N/A |
| article html file updated | 7 February 2021 02:36 CET | Original file | N/A |
| article pdf uploaded. | 7 February 2021 02:35 CET | Updated version of record | https://www.mdpi.com/2227-9717/9/2/271/pdf-vor |
| article xml uploaded. | 7 February 2021 02:35 CET | Update | N/A |
| article xml file uploaded | 7 February 2021 02:35 CET | Original file | N/A |
| article supplementary file uploaded. | 30 January 2021 22:35 CET | - | https://www.mdpi.com/2227-9717/9/2/271#supplementary |
| article pdf uploaded. | 30 January 2021 22:35 CET | Version of Record | https://www.mdpi.com/2227-9717/9/2/271/pdf-vor |
