| article html file updated | 6 February 2020 20:04 CET | Update | https://www.mdpi.com/2079-9268/5/3/151 |
| article html file updated | 6 May 2019 16:59 CEST | Update | - |
| article html file updated | 26 March 2019 05:26 CET | Update | - |
| article html file updated | 5 November 2015 08:20 CET | Original file | - |
| article xml file uploaded | 5 November 2015 08:20 CET | Original file | https://www.mdpi.com/2079-9268/5/3/151/xml |
| article pdf uploaded. | 25 June 2015 14:39 CEST | Version of Record | https://www.mdpi.com/2079-9268/5/3/151/pdf |
