| article html file updated | 12 February 2020 08:40 CET | Update | https://www.mdpi.com/2075-4701/9/5/502 |
| article html file updated | 19 October 2019 05:45 CEST | Update | N/A |
| article html file updated | 5 June 2019 22:48 CEST | Update | N/A |
| article html file updated | 14 May 2019 11:47 CEST | Original file | N/A |
| article pdf uploaded. | 14 May 2019 11:45 CEST | Updated version of record | https://www.mdpi.com/2075-4701/9/5/502/pdf |
| article xml uploaded. | 14 May 2019 11:45 CEST | Update | https://www.mdpi.com/2075-4701/9/5/502/xml |
| article xml file uploaded | 14 May 2019 11:45 CEST | Update | N/A |
| article pdf uploaded. | 29 April 2019 11:15 CEST | Version of Record | https://www.mdpi.com/2075-4701/9/5/502/pdf-vor |
| article xml file uploaded | 29 April 2019 11:15 CEST | Original file | N/A |
