| article html file updated | 12 February 2020 23:38 CET | Update | https://www.mdpi.com/2076-3921/8/7/204 |
| article html file updated | 2 August 2019 09:10 CEST | Update | N/A |
| article html file updated | 2 July 2019 09:54 CEST | Original file | N/A |
| article pdf uploaded. | 2 July 2019 09:53 CEST | Version of Record | https://www.mdpi.com/2076-3921/8/7/204/pdf |
| article xml uploaded. | 2 July 2019 09:53 CEST | Update | https://www.mdpi.com/2076-3921/8/7/204/xml |
| article xml file uploaded | 2 July 2019 09:53 CEST | Original file | N/A |
