| article html file updated | 1 September 2025 04:47 CEST | Update | https://www.mdpi.com/2079-7737/9/8/204 | 
| article html file updated | 22 July 2022 02:19 CEST | Update | - | 
| article html file updated | 5 August 2020 13:47 CEST | Original file | - | 
| article pdf uploaded. | 5 August 2020 13:45 CEST | Updated version of record | https://www.mdpi.com/2079-7737/9/8/204/pdf | 
| article xml uploaded. | 5 August 2020 13:45 CEST | Update | https://www.mdpi.com/2079-7737/9/8/204/xml | 
| article xml file uploaded | 5 August 2020 13:45 CEST | Original file | - | 
| article pdf uploaded. | 3 August 2020 15:35 CEST | Version of Record | https://www.mdpi.com/2079-7737/9/8/204/pdf-vor |