| article html file updated | 6 February 2020 08:12 CET | Update | https://www.mdpi.com/2073-4409/3/2/180 |
| article html file updated | 7 May 2019 16:43 CEST | Update | N/A |
| article html file updated | 21 March 2019 14:36 CET | Update | N/A |
| article html file updated | 20 August 2015 01:18 CEST | Update | N/A |
| article html file updated | 11 July 2014 10:25 CEST | Original file | N/A |
| article xml file uploaded | 11 July 2014 10:25 CEST | Original file | https://www.mdpi.com/2073-4409/3/2/180/xml |
| article supplementary file uploaded. | 28 March 2014 14:06 CET | - | https://www.mdpi.com/2073-4409/3/2/180#supplementary |
| article pdf uploaded. | 28 March 2014 14:06 CET | Updated version of record | https://www.mdpi.com/2073-4409/3/2/180/pdf |
| article pdf uploaded. | 27 March 2014 09:57 CET | Version of Record | https://www.mdpi.com/2073-4409/3/2/180/pdf-vor |
