| article html file updated | 17 August 2026 10:09 CEST | Update | https://www.mdpi.com/2076-0752/9/2/54 |
| article html file updated | 29 April 2020 08:05 CEST | Original file | N/A |
| article pdf uploaded. | 29 April 2020 08:04 CEST | Updated version of record | https://www.mdpi.com/2076-0752/9/2/54/pdf |
| article xml uploaded. | 29 April 2020 08:04 CEST | Update | https://www.mdpi.com/2076-0752/9/2/54/xml |
| article xml file uploaded | 29 April 2020 08:04 CEST | Update | N/A |
| article pdf uploaded. | 26 April 2020 14:38 CEST | Version of Record | https://www.mdpi.com/2076-0752/9/2/54/pdf-vor |
| article xml file uploaded | 26 April 2020 14:38 CEST | Original file | N/A |
