| article html file updated | 7 February 2020 11:08 CET | Update | https://www.mdpi.com/2218-6581/5/3/14 |
| article html file updated | 21 September 2019 20:16 CEST | Update | - |
| article html file updated | 5 May 2019 11:09 CEST | Update | - |
| article html file updated | 27 March 2019 09:14 CET | Update | - |
| article html file updated | 28 September 2016 22:50 CEST | Update | - |
| article html file updated | 1 July 2016 13:29 CEST | Original file | - |
| article xml uploaded. | 1 July 2016 13:28 CEST | Original file | https://www.mdpi.com/2218-6581/5/3/14/xml |
| article pdf uploaded. | 1 July 2016 13:28 CEST | Version of Record | https://www.mdpi.com/2218-6581/5/3/14/pdf |
