| article html file updated | 7 February 2020 10:38 CET | Update | https://www.mdpi.com/2079-9268/6/3/11 |
| article html file updated | 5 May 2019 12:04 CEST | Update | - |
| article html file updated | 27 March 2019 08:19 CET | Update | - |
| article html file updated | 23 June 2016 10:28 CEST | Original file | - |
| article xml uploaded. | 23 June 2016 10:27 CEST | Update | https://www.mdpi.com/2079-9268/6/3/11/xml |
| article pdf uploaded. | 23 June 2016 10:27 CEST | Version of Record | https://www.mdpi.com/2079-9268/6/3/11/pdf |
