| article html file updated | 7 February 2020 11:36 CET | Update | https://www.mdpi.com/2076-0817/5/3/49 |
| article html file updated | 5 May 2019 10:19 CEST | Update | - |
| article html file updated | 27 March 2019 10:06 CET | Update | - |
| article html file updated | 28 September 2016 11:04 CEST | Update | - |
| article html file updated | 13 July 2016 15:15 CEST | Original file | - |
| article xml uploaded. | 13 July 2016 15:13 CEST | Original file | https://www.mdpi.com/2076-0817/5/3/49/xml |
| article pdf uploaded. | 13 July 2016 15:13 CEST | Version of Record | https://www.mdpi.com/2076-0817/5/3/49/pdf |
