| article html file updated | 8 February 2020 06:41 CET | Update | https://www.mdpi.com/2073-4352/7/6/154 |
| article html file updated | 25 September 2019 00:15 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:26 CEST | Update | N/A |
| article html file updated | 30 June 2017 11:23 CEST | Update | N/A |
| article html file updated | 25 May 2017 13:25 CEST | Original file | N/A |
| article xml uploaded. | 25 May 2017 13:24 CEST | Original file | https://www.mdpi.com/2073-4352/7/6/154/xml |
| article pdf uploaded. | 25 May 2017 13:24 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/6/154/pdf |
