| article html file updated | 31 August 2025 11:56 CEST | Update | https://www.mdpi.com/2075-4442/8/2/21 |
| article html file updated | 20 July 2022 20:27 CEST | Update | N/A |
| article html file updated | 29 February 2020 16:03 CET | Original file | N/A |
| article pdf uploaded. | 29 February 2020 16:01 CET | Updated version of record | https://www.mdpi.com/2075-4442/8/2/21/pdf |
| article xml uploaded. | 29 February 2020 16:01 CET | Update | https://www.mdpi.com/2075-4442/8/2/21/xml |
| article xml file uploaded | 29 February 2020 16:01 CET | Update | N/A |
| article pdf uploaded. | 17 February 2020 15:14 CET | Version of Record | https://www.mdpi.com/2075-4442/8/2/21/pdf-vor |
| article xml file uploaded | 17 February 2020 15:14 CET | Original file | N/A |
