| article html file updated | 7 February 2020 12:25 CET | Update | https://www.mdpi.com/2075-5309/6/3/28 |
| article html file updated | 5 May 2019 08:49 CEST | Update | N/A |
| article html file updated | 27 March 2019 11:38 CET | Update | N/A |
| article html file updated | 27 September 2016 12:04 CEST | Update | N/A |
| article html file updated | 28 July 2016 10:52 CEST | Original file | N/A |
| article xml uploaded. | 28 July 2016 10:51 CEST | Original file | https://www.mdpi.com/2075-5309/6/3/28/xml |
| article pdf uploaded. | 28 July 2016 10:51 CEST | Version of Record | https://www.mdpi.com/2075-5309/6/3/28/pdf |
