| article html file updated | 6 February 2020 00:18 CET | Update | https://www.mdpi.com/2076-3417/3/1/70 |
| article html file updated | 8 May 2019 09:06 CEST | Update | - |
| article html file updated | 20 March 2019 17:58 CET | Update | - |
| article html file updated | 17 June 2015 05:58 CEST | Update | - |
| article html file updated | 9 March 2015 07:52 CET | Original file | - |
| article xml file uploaded | 9 March 2015 07:52 CET | Original file | https://www.mdpi.com/2076-3417/3/1/70/xml |
| article pdf uploaded. | 30 January 2013 11:57 CET | Version of Record | https://www.mdpi.com/2076-3417/3/1/70/pdf |
