| article html file updated | 12 February 2020 03:43 CET | Update | https://www.mdpi.com/1999-5903/11/4/93 |
| article html file updated | 17 October 2019 22:15 CEST | Update | N/A |
| article html file updated | 8 May 2019 18:37 CEST | Update | N/A |
| article html file updated | 25 April 2019 15:27 CEST | Update | N/A |
| article html file updated | 11 April 2019 11:39 CEST | Update | N/A |
| article html file updated | 10 April 2019 06:13 CEST | Update | N/A |
| article html file updated | 8 April 2019 11:51 CEST | Original file | N/A |
| article pdf uploaded. | 8 April 2019 11:50 CEST | Version of Record | https://www.mdpi.com/1999-5903/11/4/93/pdf |
| article xml uploaded. | 8 April 2019 11:50 CEST | Update | https://www.mdpi.com/1999-5903/11/4/93/xml |
| article xml file uploaded | 8 April 2019 11:50 CEST | Original file | N/A |
