| article html file updated | 9 February 2020 13:30 CET | Update | https://www.mdpi.com/2227-9717/6/4/35 |
| article html file updated | 2 October 2019 12:56 CEST | Update | N/A |
| article html file updated | 1 May 2019 04:07 CEST | Update | N/A |
| article html file updated | 17 April 2019 04:27 CEST | Update | N/A |
| article html file updated | 29 March 2019 14:56 CET | Update | N/A |
| article html file updated | 1 May 2018 05:37 CEST | Update | N/A |
| article html file updated | 12 April 2018 10:21 CEST | Original file | N/A |
| article xml uploaded. | 12 April 2018 10:19 CEST | Original file | https://www.mdpi.com/2227-9717/6/4/35/xml |
| article pdf uploaded. | 12 April 2018 10:19 CEST | Version of Record | https://www.mdpi.com/2227-9717/6/4/35/pdf |
