| article html file updated | 7 February 2020 14:45 CET | Update | https://www.mdpi.com/1422-0067/17/9/1519 |
| article html file updated | 22 September 2019 00:42 CEST | Update | - |
| article html file updated | 5 May 2019 04:32 CEST | Update | - |
| article html file updated | 27 September 2016 06:16 CEST | Update | - |
| article html file updated | 9 September 2016 11:42 CEST | Original file | - |
| article xml uploaded. | 9 September 2016 11:41 CEST | Original file | https://www.mdpi.com/1422-0067/17/9/1519/xml |
| article pdf uploaded. | 9 September 2016 11:41 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/9/1519/pdf |
