| article html file updated | 31 August 2025 05:43 CEST | Update | https://www.mdpi.com/2073-431X/8/4/87 |
| article html file updated | 19 July 2022 22:31 CEST | Update | - |
| article html file updated | 14 February 2020 15:47 CET | Update | - |
| article html file updated | 31 December 2019 03:24 CET | Update | - |
| article html file updated | 19 December 2019 04:37 CET | Original file | - |
| article pdf uploaded. | 19 December 2019 04:32 CET | Updated version of record | https://www.mdpi.com/2073-431X/8/4/87/pdf |
| article xml uploaded. | 19 December 2019 04:32 CET | Update | https://www.mdpi.com/2073-431X/8/4/87/xml |
| article xml file uploaded | 19 December 2019 04:32 CET | Update | - |
| article pdf uploaded. | 4 December 2019 14:10 CET | Version of Record | https://www.mdpi.com/2073-431X/8/4/87/pdf-vor |
| article xml file uploaded | 4 December 2019 14:10 CET | Original file | - |
