| article html file updated | 8 February 2020 09:34 CET | Update | https://www.mdpi.com/2305-6320/4/3/47 |
| article html file updated | 25 September 2019 15:15 CEST | Update | - |
| article html file updated | 3 May 2019 15:02 CEST | Update | - |
| article html file updated | 30 September 2017 15:40 CEST | Update | - |
| article html file updated | 29 June 2017 13:51 CEST | Original file | - |
| article xml uploaded. | 29 June 2017 13:50 CEST | Original file | https://www.mdpi.com/2305-6320/4/3/47/xml |
| article pdf uploaded. | 29 June 2017 13:50 CEST | Version of Record | https://www.mdpi.com/2305-6320/4/3/47/pdf |
