| article html file updated | 31 August 2025 17:06 CEST | Update | https://www.mdpi.com/2227-9717/8/4/446 |
| article html file updated | 21 July 2022 01:35 CEST | Update | N/A |
| article html file updated | 8 May 2020 18:16 CEST | Update | N/A |
| article html file updated | 20 April 2020 07:53 CEST | Original file | N/A |
| article pdf uploaded. | 20 April 2020 07:52 CEST | Updated version of record | https://www.mdpi.com/2227-9717/8/4/446/pdf |
| article xml uploaded. | 20 April 2020 07:52 CEST | Update | https://www.mdpi.com/2227-9717/8/4/446/xml |
| article xml file uploaded | 20 April 2020 07:52 CEST | Update | N/A |
| article pdf uploaded. | 10 April 2020 17:31 CEST | Updated version of record | https://www.mdpi.com/2227-9717/8/4/446/pdf-vor |
| article xml file uploaded | 10 April 2020 17:31 CEST | Update | N/A |
| article pdf uploaded. | 10 April 2020 17:30 CEST | Version of Record | https://www.mdpi.com/2227-9717/8/4/446/pdf-vor |
| article xml file uploaded | 10 April 2020 17:30 CEST | Original file | N/A |
