| article html file updated | 8 February 2020 02:28 CET | Update | https://www.mdpi.com/2076-0787/6/2/11 |
| article html file updated | 4 May 2019 04:32 CEST | Update | N/A |
| article html file updated | 13 April 2017 05:07 CEST | Update | N/A |
| article html file updated | 12 April 2017 07:46 CEST | Update | N/A |
| article html file updated | 12 April 2017 07:20 CEST | Update | N/A |
| article html file updated | 12 April 2017 05:25 CEST | Update | N/A |
| article html file updated | 30 March 2017 13:01 CEST | Original file | N/A |
| article xml uploaded. | 30 March 2017 13:00 CEST | Original file | https://www.mdpi.com/2076-0787/6/2/11/xml |
| article pdf uploaded. | 30 March 2017 13:00 CEST | Version of Record | https://www.mdpi.com/2076-0787/6/2/11/pdf |
