| article html file updated | 8 February 2020 11:08 CET | Update | https://www.mdpi.com/2076-0817/6/3/30 |
| article html file updated | 3 May 2019 12:07 CEST | Update | - |
| article html file updated | 27 March 2019 16:01 CET | Update | - |
| article html file updated | 30 September 2017 11:36 CEST | Update | - |
| article html file updated | 15 July 2017 12:08 CEST | Update | - |
| article html file updated | 15 July 2017 12:07 CEST | Update | - |
| article html file updated | 15 July 2017 12:06 CEST | Original file | - |
| article xml uploaded. | 15 July 2017 12:05 CEST | Original file | https://www.mdpi.com/2076-0817/6/3/30/xml |
| article pdf uploaded. | 15 July 2017 12:05 CEST | Version of Record | https://www.mdpi.com/2076-0817/6/3/30/pdf |
