| article html file updated | 7 February 2020 18:55 CET | Update | https://www.mdpi.com/1422-0067/17/12/2014 |
| article html file updated | 4 May 2019 20:41 CEST | Update | - |
| article html file updated | 27 December 2016 11:00 CET | Update | - |
| article html file updated | 1 December 2016 15:05 CET | Original file | - |
| article xml uploaded. | 1 December 2016 15:04 CET | Original file | https://www.mdpi.com/1422-0067/17/12/2014/xml |
| article pdf uploaded. | 1 December 2016 15:04 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/2014/pdf |
