| article html file updated | 7 February 2020 17:40 CET | Update | https://www.mdpi.com/1422-0067/17/11/1856 |
| article html file updated | 4 May 2019 23:11 CEST | Update | - |
| article html file updated | 2 December 2016 02:41 CET | Update | - |
| article html file updated | 8 November 2016 11:47 CET | Original file | - |
| article xml uploaded. | 8 November 2016 11:45 CET | Update | https://www.mdpi.com/1422-0067/17/11/1856/xml |
| article xml uploaded. | 8 November 2016 11:45 CET | Original file | - |
| article pdf uploaded. | 8 November 2016 11:45 CET | Version of Record | https://www.mdpi.com/1422-0067/17/11/1856/pdf |
