| article html file updated | 7 February 2020 11:41 CET | Update | https://www.mdpi.com/2075-4701/6/7/164 |
| article html file updated | 5 May 2019 10:11 CEST | Update | N/A |
| article html file updated | 27 March 2019 10:14 CET | Update | N/A |
| article html file updated | 29 July 2016 13:14 CEST | Update | N/A |
| article html file updated | 14 July 2016 10:19 CEST | Original file | N/A |
| article xml uploaded. | 14 July 2016 10:17 CEST | Original file | https://www.mdpi.com/2075-4701/6/7/164/xml |
| article pdf uploaded. | 14 July 2016 10:17 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/7/164/pdf |
