| article html file updated | 6 February 2020 01:00 CET | Update | https://www.mdpi.com/2079-7737/2/1/419 |
| article html file updated | 8 May 2019 07:22 CEST | Update | - |
| article html file updated | 20 March 2019 19:47 CET | Update | - |
| article html file updated | 17 June 2015 07:28 CEST | Update | - |
| article html file updated | 18 July 2014 03:53 CEST | Original file | - |
| article xml file uploaded | 18 July 2014 03:53 CEST | Original file | https://www.mdpi.com/2079-7737/2/1/419/xml |
| article supplementary file uploaded. | 13 March 2013 16:03 CET | - | https://www.mdpi.com/2079-7737/2/1/419#supplementary |
| article pdf uploaded. | 13 March 2013 16:02 CET | Version of Record | https://www.mdpi.com/2079-7737/2/1/419/pdf |
