| article html file updated | 12 February 2020 06:21 CET | Update | https://www.mdpi.com/2073-4344/9/4/368 |
| article html file updated | 18 October 2019 15:03 CEST | Update | N/A |
| article html file updated | 8 May 2019 17:03 CEST | Update | N/A |
| article html file updated | 25 April 2019 10:10 CEST | Original file | N/A |
| article pdf uploaded. | 25 April 2019 10:09 CEST | Updated version of record | https://www.mdpi.com/2073-4344/9/4/368/pdf |
| article xml uploaded. | 25 April 2019 10:09 CEST | Update | https://www.mdpi.com/2073-4344/9/4/368/xml |
| article xml file uploaded | 25 April 2019 10:09 CEST | Update | N/A |
| article pdf uploaded. | 18 April 2019 17:05 CEST | Version of Record | https://www.mdpi.com/2073-4344/9/4/368/pdf-vor |
| article xml file uploaded | 18 April 2019 17:05 CEST | Original file | N/A |
