| article html file updated | 8 February 2020 08:06 CET | Update | https://www.mdpi.com/2072-4292/9/6/594 |
| article html file updated | 25 September 2019 07:28 CEST | Update | - |
| article html file updated | 3 May 2019 17:48 CEST | Update | - |
| article html file updated | 30 June 2017 09:50 CEST | Update | - |
| article html file updated | 13 June 2017 03:01 CEST | Original file | - |
| article xml uploaded. | 13 June 2017 02:59 CEST | Original file | https://www.mdpi.com/2072-4292/9/6/594/xml |
| article pdf uploaded. | 13 June 2017 02:59 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/6/594/pdf |
| article pdf uploaded. | 12 June 2017 14:07 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/594/pdf-vor |
