| article html file updated | 6 February 2020 00:25 CET | Update | https://www.mdpi.com/2073-445X/2/1/37 |
| article html file updated | 8 May 2019 08:46 CEST | Update | - |
| article html file updated | 20 March 2019 18:16 CET | Update | - |
| article html file updated | 17 June 2015 06:16 CEST | Update | - |
| article pdf uploaded. | 18 March 2013 16:51 CET | Updated version of record | https://www.mdpi.com/2073-445X/2/1/37/pdf |
| article html file updated | 19 February 2013 15:07 CET | Update | - |
| article xml uploaded. | 19 February 2013 15:07 CET | Original file | https://www.mdpi.com/2073-445X/2/1/37/xml |
| article html file updated | 8 February 2013 09:52 CET | Original file | - |
| article pdf uploaded. | 5 February 2013 15:12 CET | Version of Record | https://www.mdpi.com/2073-445X/2/1/37/pdf-vor |
