| article html file updated | 9 February 2020 08:44 CET | Update | https://www.mdpi.com/2227-9091/6/1/17 |
| article html file updated | 1 October 2019 07:27 CEST | Update | N/A |
| article html file updated | 1 May 2019 14:02 CEST | Update | N/A |
| article html file updated | 17 April 2019 13:40 CEST | Update | N/A |
| article html file updated | 29 March 2019 04:11 CET | Update | N/A |
| article html file updated | 27 March 2018 15:09 CEST | Update | N/A |
| article html file updated | 6 March 2018 08:34 CET | Original file | N/A |
| article xml uploaded. | 6 March 2018 08:33 CET | Original file | https://www.mdpi.com/2227-9091/6/1/17/xml |
| article pdf uploaded. | 6 March 2018 08:33 CET | Version of Record | https://www.mdpi.com/2227-9091/6/1/17/pdf |
