| article html file updated | 8 February 2020 22:33 CET | Update | https://www.mdpi.com/1999-4907/8/12/469 |
| article html file updated | 28 September 2019 20:10 CEST | Update | - |
| article html file updated | 2 May 2019 11:58 CEST | Update | - |
| article html file updated | 18 April 2019 09:35 CEST | Update | - |
| article html file updated | 2 January 2018 17:06 CET | Update | - |
| article html file updated | 1 December 2017 11:15 CET | Update | - |
| article xml uploaded. | 1 December 2017 11:13 CET | Update | https://www.mdpi.com/1999-4907/8/12/469/xml |
| article xml uploaded. | 1 December 2017 11:13 CET | Update | - |
| article pdf uploaded. | 1 December 2017 11:13 CET | Updated version of record | https://www.mdpi.com/1999-4907/8/12/469/pdf |
| article html file updated | 29 November 2017 11:41 CET | Original file | - |
| article xml uploaded. | 29 November 2017 11:40 CET | Update | - |
| article xml uploaded. | 29 November 2017 11:40 CET | Original file | - |
| article pdf uploaded. | 29 November 2017 11:40 CET | Version of Record | https://www.mdpi.com/1999-4907/8/12/469/pdf-vor |
