| article html file updated | 6 February 2020 18:58 CET | Update | https://www.mdpi.com/2079-6374/5/2/276 |
| article html file updated | 6 May 2019 19:20 CEST | Update | - |
| article html file updated | 26 March 2019 03:20 CET | Update | - |
| article html file updated | 21 August 2015 12:34 CEST | Update | - |
| article html file updated | 7 July 2015 10:59 CEST | Original file | - |
| article xml file uploaded | 7 July 2015 10:59 CEST | Original file | https://www.mdpi.com/2079-6374/5/2/276/xml |
| article pdf uploaded. | 26 May 2015 10:53 CEST | Version of Record | https://www.mdpi.com/2079-6374/5/2/276/pdf |
