| article html file updated | 9 February 2020 20:39 CET | Update | https://www.mdpi.com/1999-5903/10/6/49 |
| article html file updated | 4 October 2019 09:08 CEST | Update | - |
| article html file updated | 30 April 2019 12:55 CEST | Update | - |
| article html file updated | 16 April 2019 13:35 CEST | Update | - |
| article html file updated | 16 April 2019 07:56 CEST | Update | - |
| article html file updated | 30 March 2019 08:40 CET | Update | - |
| article html file updated | 25 June 2018 12:21 CEST | Update | - |
| article html file updated | 7 June 2018 12:29 CEST | Original file | - |
| article pdf uploaded. | 7 June 2018 12:27 CEST | Version of Record | https://www.mdpi.com/1999-5903/10/6/49/pdf |
| article xml uploaded. | 7 June 2018 12:27 CEST | Update | https://www.mdpi.com/1999-5903/10/6/49/xml |
| article xml file uploaded | 7 June 2018 12:27 CEST | Original file | - |
