| article html file updated | 8 February 2020 09:21 CET | Update | https://www.mdpi.com/2072-6643/9/7/657 |
| article html file updated | 25 September 2019 14:07 CEST | Update | N/A |
| article html file updated | 3 May 2019 15:26 CEST | Update | N/A |
| article html file updated | 2 August 2017 04:03 CEST | Update | N/A |
| article html file updated | 28 June 2017 11:10 CEST | Update | N/A |
| article xml uploaded. | 28 June 2017 05:01 CEST | Update | https://www.mdpi.com/2072-6643/9/7/657/xml |
| article html file updated | 28 June 2017 04:44 CEST | Update | N/A |
| article html file updated | 28 June 2017 04:23 CEST | Original file | N/A |
| article pdf uploaded. | 27 June 2017 15:38 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/7/657/pdf |
