| article html file updated | 20 March 2019 19:17 CET | Update | https://www.mdpi.com/2076-2615/3/1/228 |
| article html file updated | 29 June 2015 04:17 CEST | Update | N/A |
| article xml file uploaded | 29 June 2015 04:17 CEST | Original file | https://www.mdpi.com/2076-2615/3/1/228/xml |
| article html file updated | 17 June 2015 07:07 CEST | Original file | N/A |
| article pdf uploaded. | 5 March 2013 08:42 CET | Version of Record | https://www.mdpi.com/2076-2615/3/1/228/pdf |
