| article html file updated | 7 February 2020 10:32 CET | Update | https://www.mdpi.com/2077-1444/7/6/79 |
| article html file updated | 5 May 2019 12:14 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:08 CET | Update | N/A |
| article html file updated | 29 June 2016 11:35 CEST | Update | N/A |
| article html file updated | 22 June 2016 08:57 CEST | Original file | N/A |
| article xml uploaded. | 22 June 2016 08:55 CEST | Original file | https://www.mdpi.com/2077-1444/7/6/79/xml |
| article pdf uploaded. | 22 June 2016 08:55 CEST | Version of Record | https://www.mdpi.com/2077-1444/7/6/79/pdf |
