| article html file updated | 7 February 2020 18:56 CET | Update | https://www.mdpi.com/1422-0067/17/12/1902 |
| article html file updated | 4 May 2019 20:40 CEST | Update | - |
| article html file updated | 27 December 2016 10:44 CET | Update | - |
| article html file updated | 1 December 2016 14:49 CET | Original file | - |
| article xml uploaded. | 1 December 2016 14:48 CET | Original file | https://www.mdpi.com/1422-0067/17/12/1902/xml |
| article pdf uploaded. | 1 December 2016 14:48 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/1902/pdf |
