| article html file updated | 6 February 2020 07:30 CET | Update | https://www.mdpi.com/2073-4409/3/1/150 |
| article html file updated | 20 September 2019 06:09 CEST | Update | - |
| article html file updated | 7 May 2019 18:09 CEST | Update | - |
| article html file updated | 21 March 2019 12:55 CET | Update | - |
| article html file updated | 19 August 2015 21:33 CEST | Update | - |
| article html file updated | 28 April 2014 10:43 CEST | Original file | - |
| article xml file uploaded | 28 April 2014 10:43 CEST | Original file | https://www.mdpi.com/2073-4409/3/1/150/xml |
| article pdf uploaded. | 25 February 2014 11:28 CET | Version of Record | https://www.mdpi.com/2073-4409/3/1/150/pdf |
