| article html file updated | 7 February 2020 18:52 CET | Update | https://www.mdpi.com/1422-0067/17/12/2008 |
| article html file updated | 4 May 2019 20:47 CEST | Update | N/A |
| article html file updated | 27 December 2016 10:59 CET | Update | N/A |
| article html file updated | 30 November 2016 12:05 CET | Original file | N/A |
| article xml uploaded. | 30 November 2016 12:04 CET | Original file | https://www.mdpi.com/1422-0067/17/12/2008/xml |
| article pdf uploaded. | 30 November 2016 12:04 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/2008/pdf |
