| article html file updated | 31 August 2025 18:15 CEST | Update | https://www.mdpi.com/2076-0817/9/4/309 |
| article html file updated | 21 July 2022 02:42 CEST | Update | - |
| article html file updated | 8 May 2020 07:34 CEST | Update | - |
| article html file updated | 22 April 2020 16:58 CEST | Original file | - |
| article pdf uploaded. | 22 April 2020 16:56 CEST | Updated version of record | https://www.mdpi.com/2076-0817/9/4/309/pdf |
| article xml uploaded. | 22 April 2020 16:56 CEST | Update | https://www.mdpi.com/2076-0817/9/4/309/xml |
| article xml file uploaded | 22 April 2020 16:56 CEST | Update | - |
| article supplementary file uploaded. | 22 April 2020 16:56 CEST | - | https://www.mdpi.com/2076-0817/9/4/309#supplementary |
| article xml file uploaded | 22 April 2020 16:56 CEST | Original file | - |
