| article html file updated | 12 February 2020 02:56 CET | Update | https://www.mdpi.com/1999-5903/11/4/91 |
| article html file updated | 17 October 2019 17:52 CEST | Update | - |
| article html file updated | 8 May 2019 18:35 CEST | Update | - |
| article html file updated | 25 April 2019 17:02 CEST | Update | - |
| article html file updated | 17 April 2019 08:55 CEST | Original file | - |
| article pdf uploaded. | 17 April 2019 08:54 CEST | Updated version of record | https://www.mdpi.com/1999-5903/11/4/91/pdf |
| article xml uploaded. | 17 April 2019 08:54 CEST | Update | https://www.mdpi.com/1999-5903/11/4/91/xml |
| article xml file uploaded | 17 April 2019 08:54 CEST | Update | - |
| article pdf uploaded. | 3 April 2019 17:16 CEST | Version of Record | https://www.mdpi.com/1999-5903/11/4/91/pdf-vor |
| article xml file uploaded | 3 April 2019 17:16 CEST | Original file | - |
