| article html file updated | 12 February 2020 04:27 CET | Update | https://www.mdpi.com/2073-4352/9/4/201 |
| article html file updated | 18 October 2019 03:02 CEST | Update | N/A |
| article html file updated | 8 May 2019 16:18 CEST | Update | N/A |
| article html file updated | 25 April 2019 14:00 CEST | Update | N/A |
| article html file updated | 12 April 2019 10:31 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2019 10:30 CEST | Updated version of record | https://www.mdpi.com/2073-4352/9/4/201/pdf |
| article xml uploaded. | 12 April 2019 10:30 CEST | Update | https://www.mdpi.com/2073-4352/9/4/201/xml |
| article xml file uploaded | 12 April 2019 10:30 CEST | Update | N/A |
| article pdf uploaded. | 10 April 2019 16:50 CEST | Version of Record | https://www.mdpi.com/2073-4352/9/4/201/pdf-vor |
| article xml file uploaded | 10 April 2019 16:50 CEST | Original file | N/A |
