| article html file updated | 12 February 2020 17:50 CET | Update | https://www.mdpi.com/2076-0760/8/6/171 |
| article html file updated | 5 June 2019 12:51 CEST | Original file | N/A |
| article pdf uploaded. | 5 June 2019 12:50 CEST | Version of Record | https://www.mdpi.com/2076-0760/8/6/171/pdf |
| article xml uploaded. | 5 June 2019 12:50 CEST | Update | https://www.mdpi.com/2076-0760/8/6/171/xml |
| article xml file uploaded | 5 June 2019 12:50 CEST | Original file | N/A |
