| article html file updated | 8 February 2020 07:57 CET | Update | https://www.mdpi.com/2076-0817/6/2/25 |
| article html file updated | 25 September 2019 06:42 CEST | Update | - |
| article html file updated | 3 May 2019 18:04 CEST | Update | - |
| article html file updated | 29 June 2017 12:40 CEST | Update | - |
| article html file updated | 10 June 2017 11:35 CEST | Original file | - |
| article xml uploaded. | 10 June 2017 11:33 CEST | Original file | https://www.mdpi.com/2076-0817/6/2/25/xml |
| article pdf uploaded. | 10 June 2017 11:33 CEST | Version of Record | https://www.mdpi.com/2076-0817/6/2/25/pdf |
