| article html file updated | 31 August 2025 11:21 CEST | Update | https://www.mdpi.com/2221-3759/8/1/4 |
| article html file updated | 20 July 2022 19:52 CEST | Update | - |
| article html file updated | 1 April 2020 20:06 CEST | Update | - |
| article html file updated | 26 March 2020 10:09 CET | Original file | - |
| article pdf uploaded. | 26 March 2020 10:08 CET | Updated version of record | https://www.mdpi.com/2221-3759/8/1/4/pdf |
| article xml uploaded. | 26 March 2020 10:08 CET | Update | https://www.mdpi.com/2221-3759/8/1/4/xml |
| article xml file uploaded | 26 March 2020 10:08 CET | Update | - |
| article pdf uploaded. | 11 February 2020 12:55 CET | Version of Record | https://www.mdpi.com/2221-3759/8/1/4/pdf-vor |
| article xml file uploaded | 11 February 2020 12:55 CET | Original file | - |
