| article html file updated | 12 February 2020 04:52 CET | Update | https://www.mdpi.com/2075-4701/9/4/433 |
| article html file updated | 18 October 2019 05:18 CEST | Update | N/A |
| article html file updated | 25 April 2019 12:51 CEST | Update | N/A |
| article html file updated | 12 April 2019 09:45 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2019 09:44 CEST | Version of Record | https://www.mdpi.com/2075-4701/9/4/433/pdf |
| article xml uploaded. | 12 April 2019 09:44 CEST | Update | https://www.mdpi.com/2075-4701/9/4/433/xml |
| article xml file uploaded | 12 April 2019 09:44 CEST | Original file | N/A |
