| article html file updated | 7 February 2020 14:41 CET | Update | https://www.mdpi.com/1422-0067/17/9/1512 |
| article html file updated | 5 May 2019 04:38 CEST | Update | - |
| article html file updated | 27 September 2016 06:15 CEST | Update | - |
| article html file updated | 8 September 2016 13:13 CEST | Original file | - |
| article xml uploaded. | 8 September 2016 13:12 CEST | Original file | https://www.mdpi.com/1422-0067/17/9/1512/xml |
| article pdf uploaded. | 8 September 2016 13:12 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/9/1512/pdf |
