| article html file updated | 8 February 2020 03:14 CET | Update | https://www.mdpi.com/2072-6643/9/4/374 |
| article html file updated | 24 September 2019 05:51 CEST | Update | N/A |
| article html file updated | 4 May 2019 02:52 CEST | Update | N/A |
| article html file updated | 28 April 2017 11:50 CEST | Update | N/A |
| article html file updated | 14 April 2017 08:24 CEST | Original file | N/A |
| article xml uploaded. | 14 April 2017 08:23 CEST | Original file | https://www.mdpi.com/2072-6643/9/4/374/xml |
| article pdf uploaded. | 14 April 2017 08:23 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/4/374/pdf |
| article pdf uploaded. | 10 April 2017 15:52 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/4/374/pdf-vor |
