| article html file updated | 7 February 2020 18:25 CET | Update | https://www.mdpi.com/1422-0067/17/11/1903 |
| article html file updated | 4 May 2019 21:45 CEST | Update | - |
| article html file updated | 2 December 2016 02:46 CET | Update | - |
| article html file updated | 22 November 2016 14:12 CET | Original file | - |
| article xml uploaded. | 22 November 2016 14:10 CET | Update | https://www.mdpi.com/1422-0067/17/11/1903/xml |
| article xml uploaded. | 22 November 2016 14:10 CET | Original file | - |
| article pdf uploaded. | 22 November 2016 14:10 CET | Version of Record | https://www.mdpi.com/1422-0067/17/11/1903/pdf |
