| article html file updated | 7 February 2020 12:15 CET | Update | https://www.mdpi.com/2075-4663/4/3/40 |
| article html file updated | 5 May 2019 09:08 CEST | Update | N/A |
| article html file updated | 27 March 2019 11:20 CET | Update | N/A |
| article html file updated | 29 September 2016 09:59 CEST | Update | N/A |
| article html file updated | 25 July 2016 11:31 CEST | Original file | N/A |
| article xml uploaded. | 25 July 2016 11:30 CEST | Original file | https://www.mdpi.com/2075-4663/4/3/40/xml |
| article pdf uploaded. | 25 July 2016 11:30 CEST | Version of Record | https://www.mdpi.com/2075-4663/4/3/40/pdf |
