| article html file updated | 7 February 2020 14:18 CET | Update | https://www.mdpi.com/1422-0067/17/9/1423 |
| article html file updated | 5 May 2019 05:21 CEST | Update | - |
| article html file updated | 27 March 2019 15:44 CET | Update | - |
| article html file updated | 27 September 2016 06:03 CEST | Update | - |
| article html file updated | 1 September 2016 12:13 CEST | Original file | - |
| article xml uploaded. | 1 September 2016 12:11 CEST | Original file | https://www.mdpi.com/1422-0067/17/9/1423/xml |
| article pdf uploaded. | 1 September 2016 12:11 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/9/1423/pdf |
