| article html file updated | 7 February 2020 11:12 CET | Update | https://www.mdpi.com/2075-4701/6/7/151 |
| article html file updated | 5 May 2019 11:03 CEST | Update | N/A |
| article html file updated | 27 March 2019 09:20 CET | Update | N/A |
| article html file updated | 29 July 2016 13:06 CEST | Update | N/A |
| article html file updated | 4 July 2016 13:30 CEST | Original file | N/A |
| article xml uploaded. | 4 July 2016 13:29 CEST | Original file | https://www.mdpi.com/2075-4701/6/7/151/xml |
| article pdf uploaded. | 4 July 2016 13:29 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/7/151/pdf |
