| article html file updated | 31 August 2025 10:03 CEST | Update | https://www.mdpi.com/2076-3921/9/2/109 |
| article html file updated | 20 July 2022 18:34 CEST | Update | - |
| article html file updated | 6 March 2020 05:49 CET | Update | - |
| article html file updated | 28 February 2020 13:01 CET | Original file | - |
| article pdf uploaded. | 28 February 2020 12:59 CET | Updated version of record | https://www.mdpi.com/2076-3921/9/2/109/pdf |
| article xml uploaded. | 28 February 2020 12:59 CET | Update | https://www.mdpi.com/2076-3921/9/2/109/xml |
| article xml file uploaded | 28 February 2020 12:59 CET | Update | - |
| article pdf uploaded. | 27 January 2020 15:43 CET | Version of Record | https://www.mdpi.com/2076-3921/9/2/109/pdf-vor |
| article xml file uploaded | 27 January 2020 15:43 CET | Original file | - |
