| article html file updated | 7 February 2020 10:54 CET | Update | https://www.mdpi.com/2075-4701/6/7/144 |
| article html file updated | 5 May 2019 11:35 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:48 CET | Update | N/A |
| article html file updated | 29 July 2016 13:02 CEST | Update | N/A |
| article html file updated | 28 June 2016 12:01 CEST | Original file | N/A |
| article xml uploaded. | 28 June 2016 11:58 CEST | Update | https://www.mdpi.com/2075-4701/6/7/144/xml |
| article pdf uploaded. | 28 June 2016 11:58 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/7/144/pdf |
