| article html file updated | 7 February 2020 23:15 CET | Update | https://www.mdpi.com/1996-1073/10/2/210 |
| article html file updated | 23 September 2019 07:10 CEST | Update | - |
| article html file updated | 4 May 2019 11:31 CEST | Update | - |
| article html file updated | 28 February 2017 10:35 CET | Update | - |
| article html file updated | 13 February 2017 11:34 CET | Original file | - |
| article xml uploaded. | 13 February 2017 11:33 CET | Original file | https://www.mdpi.com/1996-1073/10/2/210/xml |
| article pdf uploaded. | 13 February 2017 11:33 CET | Version of Record | https://www.mdpi.com/1996-1073/10/2/210/pdf |
