| article html file updated | 7 February 2020 06:53 CET | Update | https://www.mdpi.com/2072-4292/8/4/306 |
| article html file updated | 5 May 2019 19:28 CEST | Update | - |
| article html file updated | 27 March 2019 01:08 CET | Update | - |
| article html file updated | 28 April 2016 13:08 CEST | Update | - |
| article html file updated | 6 April 2016 11:50 CEST | Original file | - |
| article xml uploaded. | 6 April 2016 11:49 CEST | Update | https://www.mdpi.com/2072-4292/8/4/306/xml |
| article pdf uploaded. | 6 April 2016 11:49 CEST | Version of Record | https://www.mdpi.com/2072-4292/8/4/306/pdf |
