| article html file updated | 8 February 2020 04:14 CET | Update | https://www.mdpi.com/2075-4701/7/4/150 |
| article html file updated | 24 September 2019 11:31 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:00 CEST | Update | N/A |
| article html file updated | 28 April 2017 07:03 CEST | Update | N/A |
| article html file updated | 23 April 2017 12:48 CEST | Original file | N/A |
| article xml uploaded. | 23 April 2017 12:46 CEST | Original file | https://www.mdpi.com/2075-4701/7/4/150/xml |
| article pdf uploaded. | 23 April 2017 12:46 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/4/150/pdf |
