| article html file updated | 6 February 2020 16:26 CET | Update | https://www.mdpi.com/2076-328X/5/1/70 |
| article html file updated | 7 May 2019 00:07 CEST | Update | - |
| article html file updated | 25 March 2019 22:39 CET | Update | - |
| article html file updated | 21 August 2015 08:27 CEST | Update | - |
| article html file updated | 3 April 2015 12:06 CEST | Original file | - |
| article xml file uploaded | 3 April 2015 12:06 CEST | Original file | https://www.mdpi.com/2076-328X/5/1/70/xml |
| article pdf uploaded. | 9 March 2015 13:33 CET | Version of Record | https://www.mdpi.com/2076-328X/5/1/70/pdf |
