| article html file updated | 6 February 2020 09:18 CET | Update | https://www.mdpi.com/2075-1729/4/2/205 |
| article html file updated | 7 May 2019 14:27 CEST | Update | N/A |
| article html file updated | 21 March 2019 17:10 CET | Update | N/A |
| article html file updated | 20 August 2015 07:15 CEST | Update | N/A |
| article html file updated | 26 August 2014 04:22 CEST | Original file | N/A |
| article xml file uploaded | 26 August 2014 04:22 CEST | Original file | https://www.mdpi.com/2075-1729/4/2/205/xml |
| article pdf uploaded. | 16 May 2014 12:28 CEST | Version of Record | https://www.mdpi.com/2075-1729/4/2/205/pdf |
