| article html file updated | 6 February 2020 17:24 CET | Update | https://www.mdpi.com/2079-3197/3/2/150 |
| article html file updated | 6 May 2019 22:25 CEST | Update | N/A |
| article html file updated | 26 March 2019 00:14 CET | Update | N/A |
| article html file updated | 21 August 2015 10:05 CEST | Update | N/A |
| article html file updated | 13 April 2015 12:17 CEST | Original file | N/A |
| article xml file uploaded | 13 April 2015 12:17 CEST | Original file | https://www.mdpi.com/2079-3197/3/2/150/xml |
| article pdf uploaded. | 8 April 2015 13:11 CEST | Version of Record | https://www.mdpi.com/2079-3197/3/2/150/pdf |
