| article html file updated | 7 February 2020 03:12 CET | Update | https://www.mdpi.com/2072-4292/8/1/50 |
| article html file updated | 6 May 2019 03:02 CEST | Update | - |
| article html file updated | 26 March 2019 17:59 CET | Original file | - |
| article pdf uploaded. | 8 January 2016 13:23 CET | Version of Record | https://www.mdpi.com/2072-4292/8/1/50/pdf |
| article xml uploaded. | 8 January 2016 13:23 CET | Original file | https://www.mdpi.com/2072-4292/8/1/50/xml |
