| article html file updated | 8 February 2020 10:45 CET | Update | https://www.mdpi.com/2227-9717/5/3/39 |
| article html file updated | 25 September 2019 21:25 CEST | Update | N/A |
| article html file updated | 3 May 2019 12:50 CEST | Update | N/A |
| article html file updated | 30 September 2017 10:03 CEST | Update | N/A |
| article html file updated | 12 July 2017 11:29 CEST | Original file | N/A |
| article xml uploaded. | 12 July 2017 11:28 CEST | Original file | https://www.mdpi.com/2227-9717/5/3/39/xml |
| article pdf uploaded. | 12 July 2017 11:28 CEST | Version of Record | https://www.mdpi.com/2227-9717/5/3/39/pdf |
