| article html file updated | 31 August 2025 09:58 CEST | Update | https://www.mdpi.com/1999-4893/13/2/31 |
| article html file updated | 20 July 2022 18:29 CEST | Update | N/A |
| article html file updated | 28 February 2020 07:28 CET | Original file | N/A |
| article pdf uploaded. | 28 February 2020 07:27 CET | Updated version of record | https://www.mdpi.com/1999-4893/13/2/31/pdf |
| article xml uploaded. | 28 February 2020 07:27 CET | Update | https://www.mdpi.com/1999-4893/13/2/31/xml |
| article xml file uploaded | 28 February 2020 07:27 CET | Update | N/A |
| article pdf uploaded. | 26 January 2020 02:42 CET | Version of Record | https://www.mdpi.com/1999-4893/13/2/31/pdf-vor |
| article xml file uploaded | 26 January 2020 02:42 CET | Original file | N/A |
