| article html file updated | 12 February 2020 01:12 CET | Update | https://www.mdpi.com/1999-4915/11/4/304 |
| article html file updated | 17 October 2019 07:04 CEST | Update | N/A |
| article html file updated | 8 May 2019 14:54 CEST | Update | N/A |
| article html file updated | 25 April 2019 20:44 CEST | Update | N/A |
| article html file updated | 13 April 2019 03:24 CEST | Original file | N/A |
| article pdf uploaded. | 13 April 2019 03:23 CEST | Updated version of record | https://www.mdpi.com/1999-4915/11/4/304/pdf |
| article xml uploaded. | 13 April 2019 03:23 CEST | Update | https://www.mdpi.com/1999-4915/11/4/304/xml |
| article xml file uploaded | 13 April 2019 03:23 CEST | Update | N/A |
| article pdf uploaded. | 27 March 2019 15:09 CET | Version of Record | https://www.mdpi.com/1999-4915/11/4/304/pdf-vor |
| article xml file uploaded | 27 March 2019 15:09 CET | Original file | N/A |
