| article html file updated | 31 August 2025 23:28 CEST | Update | https://www.mdpi.com/2075-4663/8/6/87 |
| article html file updated | 21 July 2022 20:43 CEST | Update | - |
| article html file updated | 21 June 2020 15:34 CEST | Original file | - |
| article pdf uploaded. | 21 June 2020 15:33 CEST | Updated version of record | https://www.mdpi.com/2075-4663/8/6/87/pdf |
| article xml uploaded. | 21 June 2020 15:33 CEST | Update | https://www.mdpi.com/2075-4663/8/6/87/xml |
| article xml file uploaded | 21 June 2020 15:33 CEST | Original file | - |
| article pdf uploaded. | 12 June 2020 13:09 CEST | Version of Record | https://www.mdpi.com/2075-4663/8/6/87/pdf-vor |
