| article html file updated | 7 February 2020 19:39 CET | Update | https://www.mdpi.com/2075-4701/6/12/317 |
| article html file updated | 22 September 2019 11:45 CEST | Update | - |
| article html file updated | 4 May 2019 19:07 CEST | Update | - |
| article html file updated | 28 December 2016 11:24 CET | Update | - |
| article html file updated | 19 December 2016 04:46 CET | Original file | - |
| article xml uploaded. | 19 December 2016 04:44 CET | Original file | https://www.mdpi.com/2075-4701/6/12/317/xml |
| article pdf uploaded. | 19 December 2016 04:44 CET | Version of Record | https://www.mdpi.com/2075-4701/6/12/317/pdf |
