| article html file updated | 6 February 2020 03:05 CET | Update | https://www.mdpi.com/2075-4450/4/3/339 |
| article html file updated | 8 May 2019 03:06 CEST | Update | - |
| article html file updated | 21 March 2019 00:58 CET | Update | - |
| article html file updated | 17 June 2015 11:05 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/2075-4450/4/3/339/xml |
| article supplementary file uploaded. | 9 July 2013 13:38 CEST | - | https://www.mdpi.com/2075-4450/4/3/339#supplementary |
| article pdf uploaded. | 9 July 2013 13:38 CEST | Version of Record | https://www.mdpi.com/2075-4450/4/3/339/pdf |
