| article html file updated | 31 August 2025 03:41 CEST | Update | https://www.mdpi.com/2199-8531/5/4/89 |
| article html file updated | 20 July 2022 00:42 CEST | Update | - |
| article html file updated | 14 February 2020 04:55 CET | Update | - |
| article html file updated | 30 October 2019 07:23 CET | Update | - |
| article xml uploaded. | 30 October 2019 07:22 CET | Update | https://www.mdpi.com/2199-8531/5/4/89/xml |
| article xml uploaded. | 30 October 2019 07:22 CET | Update | - |
| article pdf uploaded. | 30 October 2019 07:22 CET | Updated version of record | https://www.mdpi.com/2199-8531/5/4/89/pdf |
| article html file updated | 29 October 2019 11:47 CET | Original file | - |
| article pdf uploaded. | 29 October 2019 11:45 CET | Version of Record | https://www.mdpi.com/2199-8531/5/4/89/pdf-vor |
| article xml uploaded. | 29 October 2019 11:45 CET | Update | - |
| article xml file uploaded | 29 October 2019 11:45 CET | Original file | - |
