| article html file updated | 7 February 2020 13:47 CET | Update | https://www.mdpi.com/2079-9268/6/3/16 |
| article html file updated | 5 May 2019 06:16 CEST | Update | - |
| article html file updated | 27 March 2019 14:35 CET | Update | - |
| article html file updated | 24 August 2016 08:56 CEST | Original file | - |
| article xml uploaded. | 24 August 2016 08:55 CEST | Original file | https://www.mdpi.com/2079-9268/6/3/16/xml |
| article pdf uploaded. | 24 August 2016 08:55 CEST | Version of Record | https://www.mdpi.com/2079-9268/6/3/16/pdf |
