| article html file updated | 6 February 2020 15:07 CET | Update | https://www.mdpi.com/2075-4701/5/1/84 |
| article html file updated | 7 May 2019 02:36 CEST | Update | - |
| article html file updated | 25 March 2019 20:23 CET | Update | - |
| article html file updated | 21 August 2015 05:38 CEST | Update | - |
| article html file updated | 20 January 2015 08:36 CET | Original file | - |
| article xml file uploaded | 20 January 2015 08:36 CET | Original file | https://www.mdpi.com/2075-4701/5/1/84/xml |
| article pdf uploaded. | 13 January 2015 08:40 CET | Updated version of record | https://www.mdpi.com/2075-4701/5/1/84/pdf |
| article pdf uploaded. | 12 January 2015 14:47 CET | Version of Record | https://www.mdpi.com/2075-4701/5/1/84/pdf-vor |
