| article html file updated | 6 February 2020 18:23 CET | Update | https://www.mdpi.com/2304-6775/3/2/120 |
| article html file updated | 20 September 2019 21:02 CEST | Update | - |
| article html file updated | 6 May 2019 20:33 CEST | Update | - |
| article html file updated | 26 March 2019 02:04 CET | Update | - |
| article html file updated | 20 October 2015 09:17 CEST | Update | - |
| article xml file uploaded | 20 October 2015 09:17 CEST | Original file | https://www.mdpi.com/2304-6775/3/2/120/xml |
| article html file updated | 21 August 2015 11:42 CEST | Original file | - |
| article pdf uploaded. | 6 May 2015 14:50 CEST | Version of Record | https://www.mdpi.com/2304-6775/3/2/120/pdf |
