| article html file updated | 31 August 2025 05:04 CEST | Update | https://www.mdpi.com/2075-4698/9/4/81 |
| article html file updated | 19 July 2022 23:10 CEST | Update | - |
| article html file updated | 14 February 2020 12:33 CET | Update | - |
| article html file updated | 31 December 2019 03:20 CET | Update | - |
| article html file updated | 16 December 2019 11:44 CET | Original file | - |
| article pdf uploaded. | 16 December 2019 11:40 CET | Updated version of record | https://www.mdpi.com/2075-4698/9/4/81/pdf |
| article xml uploaded. | 16 December 2019 11:40 CET | Update | https://www.mdpi.com/2075-4698/9/4/81/xml |
| article xml file uploaded | 16 December 2019 11:40 CET | Update | - |
| article pdf uploaded. | 23 November 2019 11:49 CET | Version of Record | https://www.mdpi.com/2075-4698/9/4/81/pdf-vor |
| article xml file uploaded | 23 November 2019 11:49 CET | Original file | - |
