| article html file updated | 6 February 2020 16:31 CET | Update | https://www.mdpi.com/2227-9717/3/1/161 |
| article html file updated | 6 May 2019 23:57 CEST | Update | N/A |
| article html file updated | 25 March 2019 22:48 CET | Update | N/A |
| article html file updated | 21 August 2015 08:36 CEST | Update | N/A |
| article html file updated | 20 July 2015 12:39 CEST | Original file | N/A |
| article xml file uploaded | 20 July 2015 12:39 CEST | Original file | https://www.mdpi.com/2227-9717/3/1/161/xml |
| article pdf uploaded. | 11 March 2015 13:51 CET | Version of Record | https://www.mdpi.com/2227-9717/3/1/161/pdf |
