| article html file updated | 9 February 2020 01:08 CET | Update | https://www.mdpi.com/1999-4915/10/1/6 |
| article html file updated | 29 September 2019 11:19 CEST | Update | - |
| article html file updated | 2 May 2019 06:17 CEST | Update | - |
| article html file updated | 18 April 2019 04:14 CEST | Update | - |
| article html file updated | 28 March 2019 11:00 CET | Update | - |
| article html file updated | 2 February 2018 10:07 CET | Update | - |
| article html file updated | 25 December 2017 09:33 CET | Original file | - |
| article xml uploaded. | 25 December 2017 09:32 CET | Update | https://www.mdpi.com/1999-4915/10/1/6/xml |
| article xml uploaded. | 25 December 2017 09:32 CET | Original file | - |
| article pdf uploaded. | 25 December 2017 09:31 CET | Version of Record | https://www.mdpi.com/1999-4915/10/1/6/pdf |
