| article html file updated | 6 February 2020 00:17 CET | Update | https://www.mdpi.com/2076-3425/3/1/123 |
| article html file updated | 8 May 2019 09:07 CEST | Update | - |
| article html file updated | 20 March 2019 17:57 CET | Update | - |
| article html file updated | 17 June 2015 05:58 CEST | Update | - |
| article html file updated | 20 May 2014 08:34 CEST | Update | - |
| article xml file uploaded | 20 May 2014 08:34 CEST | Update | https://www.mdpi.com/2076-3425/3/1/123/xml |
| article html file updated | 8 February 2013 09:43 CET | Update | - |
| article html file updated | 31 January 2013 15:07 CET | Original file | - |
| article xml uploaded. | 31 January 2013 15:06 CET | Original file | - |
| article pdf uploaded. | 30 January 2013 10:37 CET | Version of Record | https://www.mdpi.com/2076-3425/3/1/123/pdf |
