| article html file updated | 7 February 2020 19:37 CET | Update | https://www.mdpi.com/1422-0067/17/12/2104 |
| article html file updated | 22 September 2019 11:31 CEST | Update | - |
| article html file updated | 4 May 2019 19:13 CEST | Update | - |
| article html file updated | 27 December 2016 11:16 CET | Update | - |
| article html file updated | 14 December 2016 12:04 CET | Original file | - |
| article xml uploaded. | 14 December 2016 12:03 CET | Original file | https://www.mdpi.com/1422-0067/17/12/2104/xml |
| article pdf uploaded. | 14 December 2016 12:03 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/2104/pdf |
