| article html file updated | 7 February 2020 05:58 CET | Update | https://www.mdpi.com/2075-5309/6/1/11 |
| article html file updated | 5 May 2019 21:18 CEST | Update | N/A |
| article html file updated | 26 March 2019 23:36 CET | Update | N/A |
| article html file updated | 16 June 2016 05:57 CEST | Original file | N/A |
| article xml uploaded. | 16 March 2016 10:41 CET | Original file | https://www.mdpi.com/2075-5309/6/1/11/xml |
| article pdf uploaded. | 16 March 2016 10:41 CET | Version of Record | https://www.mdpi.com/2075-5309/6/1/11/pdf |
