| article html file updated | 6 February 2020 12:16 CET | Update | https://www.mdpi.com/2077-0472/4/3/239 |
| article html file updated | 22 March 2019 00:57 CET | Update | - |
| article html file updated | 20 August 2015 19:22 CEST | Update | - |
| article html file updated | 20 October 2014 11:29 CEST | Original file | - |
| article xml file uploaded | 20 October 2014 11:29 CEST | Original file | https://www.mdpi.com/2077-0472/4/3/239/xml |
| article supplementary file uploaded. | 18 September 2014 16:16 CEST | - | https://www.mdpi.com/2077-0472/4/3/239#supplementary |
| article pdf uploaded. | 18 September 2014 16:16 CEST | Updated version of record | https://www.mdpi.com/2077-0472/4/3/239/pdf |
| article supplementary file uploaded. | 17 September 2014 10:54 CEST | - | https://www.mdpi.com/2077-0472/4/3/239#supplementary |
| article pdf uploaded. | 17 September 2014 10:54 CEST | Version of Record | https://www.mdpi.com/2077-0472/4/3/239/pdf-vor |