| article html file updated | 8 February 2020 21:32 CET | Update | https://www.mdpi.com/1999-4907/8/11/456 |
| article html file updated | 28 September 2019 13:47 CEST | Update | - |
| article html file updated | 2 May 2019 14:13 CEST | Update | - |
| article html file updated | 18 April 2019 11:52 CEST | Update | - |
| article html file updated | 30 November 2017 16:09 CET | Update | - |
| article html file updated | 18 November 2017 07:24 CET | Original file | - |
| article xml uploaded. | 18 November 2017 07:22 CET | Update | https://www.mdpi.com/1999-4907/8/11/456/xml |
| article xml uploaded. | 18 November 2017 07:22 CET | Original file | - |
| article pdf uploaded. | 18 November 2017 07:22 CET | Version of Record | https://www.mdpi.com/1999-4907/8/11/456/pdf |
