| article html file updated | 7 February 2020 10:02 CET | Update | https://www.mdpi.com/2073-8994/8/6/45 |
| article html file updated | 5 May 2019 13:13 CEST | Update | N/A |
| article html file updated | 27 March 2019 07:14 CET | Update | N/A |
| article html file updated | 1 July 2016 10:31 CEST | Update | N/A |
| article html file updated | 10 June 2016 09:48 CEST | Original file | N/A |
| article xml uploaded. | 10 June 2016 09:46 CEST | Original file | https://www.mdpi.com/2073-8994/8/6/45/xml |
| article pdf uploaded. | 10 June 2016 09:46 CEST | Version of Record | https://www.mdpi.com/2073-8994/8/6/45/pdf |
