| article html file updated | 6 February 2020 07:57 CET | Update | https://www.mdpi.com/2073-445X/3/1/342 |
| article html file updated | 7 May 2019 17:14 CEST | Update | N/A |
| article html file updated | 21 March 2019 13:58 CET | Update | N/A |
| article html file updated | 19 August 2015 23:56 CEST | Update | N/A |
| article html file updated | 24 June 2014 12:13 CEST | Original file | N/A |
| article xml file uploaded | 24 June 2014 12:13 CEST | Original file | https://www.mdpi.com/2073-445X/3/1/342/xml |
| article pdf uploaded. | 19 March 2014 08:52 CET | Updated version of record | https://www.mdpi.com/2073-445X/3/1/342/pdf |
| article pdf uploaded. | 17 March 2014 14:00 CET | Version of Record | https://www.mdpi.com/2073-445X/3/1/342/pdf-vor |
