| article html file updated | 7 February 2020 19:23 CET | Update | https://www.mdpi.com/1422-0067/17/12/2057 |
| article html file updated | 22 September 2019 10:12 CEST | Update | - |
| article html file updated | 4 May 2019 19:43 CEST | Update | - |
| article html file updated | 27 December 2016 11:10 CET | Update | - |
| article html file updated | 9 December 2016 13:21 CET | Original file | - |
| article xml uploaded. | 9 December 2016 13:20 CET | Original file | https://www.mdpi.com/1422-0067/17/12/2057/xml |
| article pdf uploaded. | 9 December 2016 13:20 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/2057/pdf |
