| article html file updated | 13 February 2020 14:38 CET | Update | https://www.mdpi.com/2076-0760/8/9/251 |
| article html file updated | 3 September 2019 05:44 CEST | Original file | N/A |
| article pdf uploaded. | 3 September 2019 05:43 CEST | Version of Record | https://www.mdpi.com/2076-0760/8/9/251/pdf |
| article xml uploaded. | 3 September 2019 05:43 CEST | Update | https://www.mdpi.com/2076-0760/8/9/251/xml |
| article xml file uploaded | 3 September 2019 05:43 CEST | Original file | N/A |
