| article html file updated | 6 February 2020 08:04 CET | Update | https://www.mdpi.com/2079-6374/4/1/76 |
| article html file updated | 7 May 2019 17:00 CEST | Update | - |
| article html file updated | 21 March 2019 14:16 CET | Update | - |
| article html file updated | 20 August 2015 00:36 CEST | Update | - |
| article html file updated | 26 August 2014 04:00 CEST | Update | - |
| article xml file uploaded | 26 August 2014 04:00 CEST | Update | https://www.mdpi.com/2079-6374/4/1/76/xml |
| article html file updated | 20 May 2014 10:06 CEST | Original file | - |
| article xml file uploaded | 20 May 2014 10:06 CEST | Original file | - |
| article pdf uploaded. | 21 March 2014 13:45 CET | Version of Record | https://www.mdpi.com/2079-6374/4/1/76/pdf |
