| article html file updated | 8 February 2020 02:34 CET | Update | https://www.mdpi.com/2072-4292/9/4/331 |
| article html file updated | 24 September 2019 02:06 CEST | Update | N/A |
| article html file updated | 4 May 2019 04:19 CEST | Update | N/A |
| article html file updated | 29 April 2017 05:42 CEST | Update | N/A |
| article html file updated | 31 March 2017 12:15 CEST | Original file | N/A |
| article xml uploaded. | 31 March 2017 12:14 CEST | Update | https://www.mdpi.com/2072-4292/9/4/331/xml |
| article pdf uploaded. | 31 March 2017 12:14 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/4/331/pdf |
| article pdf uploaded. | 30 March 2017 14:48 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/4/331/pdf-vor |
