| article html file updated | 1 September 2025 15:48 CEST | Update | https://www.mdpi.com/2199-8531/6/4/187 |
| article html file updated | 23 July 2022 04:46 CEST | Update | - |
| article html file updated | 23 December 2020 08:58 CET | Update | - |
| article pdf uploaded. | 23 December 2020 08:56 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/187/pdf |
| article xml uploaded. | 23 December 2020 08:56 CET | Update | https://www.mdpi.com/2199-8531/6/4/187/xml |
| article xml file uploaded | 23 December 2020 08:55 CET | Update | - |
| article html file updated | 23 December 2020 08:50 CET | Update | - |
| article pdf uploaded. | 23 December 2020 08:48 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/187/pdf-vor |
| article xml uploaded. | 23 December 2020 08:48 CET | Update | - |
| article xml file uploaded | 23 December 2020 08:47 CET | Update | - |
| article html file updated | 16 December 2020 08:23 CET | Update | - |
| article pdf uploaded. | 16 December 2020 08:21 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/187/pdf-vor |
| article xml uploaded. | 16 December 2020 08:21 CET | Update | - |
| article xml file uploaded | 16 December 2020 08:20 CET | Update | - |
| article html file updated | 16 December 2020 06:55 CET | Update | - |
| article pdf uploaded. | 16 December 2020 06:53 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/187/pdf-vor |
| article xml uploaded. | 16 December 2020 06:53 CET | Update | - |
| article xml file uploaded | 16 December 2020 06:53 CET | Update | - |
| article html file updated | 11 December 2020 13:42 CET | Original file | - |
| article pdf uploaded. | 11 December 2020 13:40 CET | Version of Record | https://www.mdpi.com/2199-8531/6/4/187/pdf-vor |
| article xml uploaded. | 11 December 2020 13:40 CET | Update | - |
| article xml file uploaded | 11 December 2020 13:40 CET | Original file | - |
