| article html file updated | 7 February 2020 19:04 CET | Update | https://www.mdpi.com/1422-0067/17/12/2033 |
| article html file updated | 4 May 2019 20:23 CEST | Update | - |
| article html file updated | 27 December 2016 11:04 CET | Update | - |
| article html file updated | 3 December 2016 11:11 CET | Original file | - |
| article xml uploaded. | 3 December 2016 11:10 CET | Original file | https://www.mdpi.com/1422-0067/17/12/2033/xml |
| article pdf uploaded. | 3 December 2016 11:10 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/2033/pdf |
