| article html file updated | 8 February 2020 19:48 CET | Update | https://www.mdpi.com/1999-4907/8/11/411 |
| article html file updated | 28 September 2019 02:29 CEST | Update | - |
| article html file updated | 2 May 2019 18:10 CEST | Update | - |
| article html file updated | 30 November 2017 16:04 CET | Update | - |
| article html file updated | 31 October 2017 11:26 CET | Original file | - |
| article xml uploaded. | 31 October 2017 11:24 CET | Update | https://www.mdpi.com/1999-4907/8/11/411/xml |
| article xml uploaded. | 31 October 2017 11:24 CET | Original file | - |
| article pdf uploaded. | 31 October 2017 11:24 CET | Updated version of record | https://www.mdpi.com/1999-4907/8/11/411/pdf |
| article pdf uploaded. | 30 October 2017 10:48 CET | Version of Record | https://www.mdpi.com/1999-4907/8/11/411/pdf-vor |
