| article html file updated | 12 February 2020 01:45 CET | Update | https://www.mdpi.com/1999-4915/11/4/309 |
| article html file updated | 17 October 2019 10:26 CEST | Update | N/A |
| article html file updated | 8 May 2019 14:55 CEST | Update | N/A |
| article html file updated | 25 April 2019 19:29 CEST | Update | N/A |
| article html file updated | 16 April 2019 13:07 CEST | Original file | N/A |
| article pdf uploaded. | 16 April 2019 13:05 CEST | Updated version of record | https://www.mdpi.com/1999-4915/11/4/309/pdf |
| article xml uploaded. | 16 April 2019 13:05 CEST | Update | https://www.mdpi.com/1999-4915/11/4/309/xml |
| article xml file uploaded | 16 April 2019 13:05 CEST | Update | N/A |
| article pdf uploaded. | 29 March 2019 17:06 CET | Version of Record | https://www.mdpi.com/1999-4915/11/4/309/pdf-vor |
| article xml file uploaded | 29 March 2019 17:06 CET | Original file | N/A |
