| article html file updated | 7 February 2020 20:04 CET | Update | https://www.mdpi.com/2073-4441/8/12/607 |
| article html file updated | 22 September 2019 13:56 CEST | Update | - |
| article html file updated | 4 May 2019 18:17 CEST | Update | - |
| article html file updated | 27 December 2016 11:52 CET | Update | - |
| article html file updated | 21 December 2016 12:41 CET | Original file | - |
| article xml uploaded. | 21 December 2016 12:40 CET | Original file | https://www.mdpi.com/2073-4441/8/12/607/xml |
| article pdf uploaded. | 21 December 2016 12:40 CET | Version of Record | https://www.mdpi.com/2073-4441/8/12/607/pdf |
