| article html file updated | 31 August 2025 18:00 CEST | Update | https://www.mdpi.com/2076-0817/9/4/303 |
| article html file updated | 21 July 2022 02:28 CEST | Update | - |
| article html file updated | 8 May 2020 07:34 CEST | Update | - |
| article html file updated | 23 April 2020 04:33 CEST | Update | - |
| article pdf uploaded. | 23 April 2020 04:32 CEST | Updated version of record | https://www.mdpi.com/2076-0817/9/4/303/pdf |
| article xml uploaded. | 23 April 2020 04:32 CEST | Update | https://www.mdpi.com/2076-0817/9/4/303/xml |
| article xml file uploaded | 23 April 2020 04:32 CEST | Update | - |
| article html file updated | 20 April 2020 13:38 CEST | Original file | - |
| article supplementary file uploaded. | 20 April 2020 13:37 CEST | - | https://www.mdpi.com/2076-0817/9/4/303#supplementary |
| article pdf uploaded. | 20 April 2020 13:37 CEST | Version of Record | https://www.mdpi.com/2076-0817/9/4/303/pdf-vor |
| article xml file uploaded | 20 April 2020 13:37 CEST | Original file | - |
