| article html file updated | 8 February 2020 06:58 CET | Update | https://www.mdpi.com/2072-4292/9/6/538 |
| article html file updated | 25 September 2019 01:43 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:55 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:32 CEST | Update | N/A |
| article html file updated | 29 May 2017 10:38 CEST | Original file | N/A |
| article xml uploaded. | 29 May 2017 10:36 CEST | Original file | https://www.mdpi.com/2072-4292/9/6/538/xml |
| article pdf uploaded. | 29 May 2017 10:36 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/538/pdf |
