| article html file updated | 7 February 2020 19:17 CET | Update | https://www.mdpi.com/2075-4701/6/12/310 |
| article html file updated | 22 September 2019 09:40 CEST | Update | - |
| article html file updated | 4 May 2019 19:55 CEST | Update | - |
| article html file updated | 28 December 2016 11:22 CET | Update | - |
| article html file updated | 8 December 2016 11:45 CET | Original file | - |
| article xml uploaded. | 8 December 2016 11:43 CET | Update | https://www.mdpi.com/2075-4701/6/12/310/xml |
| article xml uploaded. | 8 December 2016 11:43 CET | Original file | - |
| article pdf uploaded. | 8 December 2016 11:43 CET | Version of Record | https://www.mdpi.com/2075-4701/6/12/310/pdf |
