| article html file updated | 7 February 2020 03:48 CET | Update | https://www.mdpi.com/2072-4292/8/2/89 |
| article html file updated | 6 May 2019 01:51 CEST | Update | - |
| article html file updated | 26 March 2019 19:12 CET | Original file | - |
| article pdf uploaded. | 23 January 2016 09:26 CET | Version of Record | https://www.mdpi.com/2072-4292/8/2/89/pdf |
| article xml uploaded. | 23 January 2016 09:26 CET | Original file | https://www.mdpi.com/2072-4292/8/2/89/xml |
