| article html file updated | 8 February 2020 04:45 CET | Update | https://www.mdpi.com/2072-6643/9/5/439 |
| article html file updated | 24 September 2019 14:11 CEST | Update | N/A |
| article html file updated | 4 May 2019 00:04 CEST | Update | N/A |
| article html file updated | 1 June 2017 07:36 CEST | Update | N/A |
| article html file updated | 12 May 2017 11:51 CEST | Update | N/A |
| article xml uploaded. | 12 May 2017 11:50 CEST | Update | https://www.mdpi.com/2072-6643/9/5/439/xml |
| article pdf uploaded. | 12 May 2017 11:50 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/5/439/pdf |
| article html file updated | 29 April 2017 13:00 CEST | Original file | N/A |
| article pdf uploaded. | 29 April 2017 12:59 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/5/439/pdf-vor |
