| article html file updated | 7 February 2020 06:31 CET | Update | https://www.mdpi.com/1099-4300/18/4/109 |
| article html file updated | 5 May 2019 20:11 CEST | Update | N/A |
| article html file updated | 27 March 2019 00:31 CET | Update | N/A |
| article html file updated | 27 April 2016 11:10 CEST | Update | N/A |
| article html file updated | 29 March 2016 10:55 CEST | Original file | N/A |
| article xml uploaded. | 29 March 2016 10:53 CEST | Original file | https://www.mdpi.com/1099-4300/18/4/109/xml |
| article pdf uploaded. | 29 March 2016 10:53 CEST | Version of Record | https://www.mdpi.com/1099-4300/18/4/109/pdf |
