| article html file updated | 6 February 2020 04:10 CET | Update | https://www.mdpi.com/2075-4450/4/3/463 |
| article html file updated | 8 May 2019 00:53 CEST | Update | - |
| article html file updated | 21 March 2019 04:05 CET | Update | - |
| article html file updated | 17 June 2015 12:52 CEST | Update | - |
| article html file updated | 27 January 2015 07:08 CET | Original file | - |
| article xml file uploaded | 27 January 2015 07:08 CET | Original file | https://www.mdpi.com/2075-4450/4/3/463/xml |
| article pdf uploaded. | 4 September 2013 10:48 CEST | Version of Record | https://www.mdpi.com/2075-4450/4/3/463/pdf |
