| article html file updated | 31 August 2025 10:01 CEST | Update | https://www.mdpi.com/2076-0817/9/2/81 |
| article html file updated | 20 July 2022 18:32 CEST | Update | - |
| article html file updated | 6 March 2020 06:20 CET | Update | - |
| article html file updated | 28 February 2020 16:10 CET | Original file | - |
| article pdf uploaded. | 28 February 2020 16:09 CET | Updated version of record | https://www.mdpi.com/2076-0817/9/2/81/pdf |
| article xml uploaded. | 28 February 2020 16:09 CET | Update | https://www.mdpi.com/2076-0817/9/2/81/xml |
| article xml file uploaded | 28 February 2020 16:09 CET | Update | - |
| article pdf uploaded. | 5 February 2020 09:00 CET | Updated version of record | https://www.mdpi.com/2076-0817/9/2/81/pdf-vor |
| article pdf uploaded. | 27 January 2020 10:01 CET | Version of Record | https://www.mdpi.com/2076-0817/9/2/81/pdf-vor |
| article xml file uploaded | 27 January 2020 10:01 CET | Original file | - |
