| article html file updated | 8 February 2020 03:48 CET | Update | https://www.mdpi.com/2075-163X/7/4/60 |
| article html file updated | 24 September 2019 09:02 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:48 CEST | Update | N/A |
| article html file updated | 28 April 2017 10:04 CEST | Update | N/A |
| article html file updated | 18 April 2017 11:47 CEST | Original file | N/A |
| article xml uploaded. | 18 April 2017 11:46 CEST | Update | https://www.mdpi.com/2075-163X/7/4/60/xml |
| article pdf uploaded. | 18 April 2017 11:46 CEST | Version of Record | https://www.mdpi.com/2075-163X/7/4/60/pdf |
