| article html file updated | 11 February 2020 12:27 CET | Update | https://www.mdpi.com/1999-5903/11/2/31 |
| article html file updated | 14 October 2019 03:48 CEST | Update | - |
| article html file updated | 26 April 2019 23:39 CEST | Update | - |
| article html file updated | 12 April 2019 19:32 CEST | Update | - |
| article html file updated | 3 April 2019 11:57 CEST | Update | - |
| article html file updated | 1 March 2019 14:24 CET | Update | - |
| article html file updated | 30 January 2019 04:55 CET | Original file | - |
| article pdf uploaded. | 30 January 2019 04:54 CET | Updated version of record | https://www.mdpi.com/1999-5903/11/2/31/pdf |
| article xml uploaded. | 30 January 2019 04:54 CET | Update | https://www.mdpi.com/1999-5903/11/2/31/xml |
| article xml file uploaded | 30 January 2019 04:54 CET | Update | - |
| article pdf uploaded. | 30 January 2019 04:34 CET | Version of Record | - |
| article xml uploaded. | 30 January 2019 04:34 CET | Update | - |
| article xml file uploaded | 30 January 2019 04:34 CET | Original file | - |
