| article html file updated | 1 September 2025 14:14 CEST | Update | https://www.mdpi.com/2309-608X/6/4/311 |
| article html file updated | 23 July 2022 02:16 CEST | Update | - |
| article html file updated | 1 December 2020 05:03 CET | Update | - |
| article pdf uploaded. | 1 December 2020 05:02 CET | Updated version of record | https://www.mdpi.com/2309-608X/6/4/311/pdf |
| article xml uploaded. | 1 December 2020 05:02 CET | Update | https://www.mdpi.com/2309-608X/6/4/311/xml |
| article xml file uploaded | 1 December 2020 05:02 CET | Update | - |
| article html file updated | 24 November 2020 06:51 CET | Original file | - |
| article supplementary file uploaded. | 24 November 2020 06:49 CET | - | https://www.mdpi.com/2309-608X/6/4/311#supplementary |
| article pdf uploaded. | 24 November 2020 06:49 CET | Version of Record | https://www.mdpi.com/2309-608X/6/4/311/pdf-vor |
| article xml uploaded. | 24 November 2020 06:49 CET | Update | - |
| article xml file uploaded | 24 November 2020 06:49 CET | Original file | - |
