| article html file updated | 7 February 2020 12:06 CET | Update | https://www.mdpi.com/2218-6581/5/3/16 |
| article html file updated | 5 May 2019 09:25 CEST | Update | - |
| article html file updated | 27 March 2019 11:03 CET | Update | - |
| article html file updated | 28 September 2016 22:52 CEST | Update | - |
| article html file updated | 21 July 2016 13:56 CEST | Original file | - |
| article xml uploaded. | 21 July 2016 13:54 CEST | Original file | https://www.mdpi.com/2218-6581/5/3/16/xml |
| article pdf uploaded. | 21 July 2016 13:54 CEST | Version of Record | https://www.mdpi.com/2218-6581/5/3/16/pdf |
