| article html file updated | 7 February 2020 15:25 CET | Update | https://www.mdpi.com/2409-9287/1/3/170 |
| article html file updated | 5 May 2019 03:20 CEST | Update | - |
| article html file updated | 22 September 2016 12:31 CEST | Original file | - |
| article xml uploaded. | 22 September 2016 12:30 CEST | Original file | https://www.mdpi.com/2409-9287/1/3/170/xml |
| article pdf uploaded. | 22 September 2016 12:30 CEST | Version of Record | https://www.mdpi.com/2409-9287/1/3/170/pdf |
