| article html file updated | 7 February 2020 19:18 CET | Update | https://www.mdpi.com/1422-0067/17/12/2061 |
| article html file updated | 22 September 2019 09:44 CEST | Update | - |
| article html file updated | 4 May 2019 19:53 CEST | Update | - |
| article html file updated | 27 December 2016 11:11 CET | Update | - |
| article html file updated | 8 December 2016 11:50 CET | Original file | - |
| article xml uploaded. | 8 December 2016 11:49 CET | Original file | https://www.mdpi.com/1422-0067/17/12/2061/xml |
| article pdf uploaded. | 8 December 2016 11:49 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/2061/pdf |
