| article html file updated | 8 February 2020 22:47 CET | Update | https://www.mdpi.com/2075-4701/7/12/537 |
| article html file updated | 2 May 2019 11:26 CEST | Update | N/A |
| article html file updated | 18 April 2019 09:04 CEST | Update | N/A |
| article html file updated | 2 January 2018 17:47 CET | Update | N/A |
| article html file updated | 1 December 2017 13:01 CET | Original file | N/A |
| article xml uploaded. | 1 December 2017 13:00 CET | Update | https://www.mdpi.com/2075-4701/7/12/537/xml |
| article xml uploaded. | 1 December 2017 13:00 CET | Original file | N/A |
| article pdf uploaded. | 1 December 2017 13:00 CET | Version of Record | https://www.mdpi.com/2075-4701/7/12/537/pdf |
