| article html file updated | 9 February 2020 06:20 CET | Update | https://www.mdpi.com/2227-9717/6/2/17 |
| article html file updated | 30 September 2019 17:37 CEST | Update | N/A |
| article html file updated | 1 May 2019 19:04 CEST | Update | N/A |
| article html file updated | 17 April 2019 18:19 CEST | Update | N/A |
| article html file updated | 28 March 2019 22:42 CET | Update | N/A |
| article html file updated | 14 March 2018 14:53 CET | Update | N/A |
| article html file updated | 11 February 2018 13:09 CET | Original file | N/A |
| article xml uploaded. | 11 February 2018 13:08 CET | Update | https://www.mdpi.com/2227-9717/6/2/17/xml |
| article xml uploaded. | 11 February 2018 13:08 CET | Original file | N/A |
| article pdf uploaded. | 11 February 2018 13:08 CET | Version of Record | https://www.mdpi.com/2227-9717/6/2/17/pdf |
