| article html file updated | 6 February 2020 16:45 CET | Update | https://www.mdpi.com/2075-4450/6/1/197 |
| article html file updated | 6 May 2019 23:32 CEST | Update | - |
| article html file updated | 25 March 2019 23:11 CET | Update | - |
| article html file updated | 21 August 2015 09:00 CEST | Update | - |
| article html file updated | 31 March 2015 12:40 CEST | Original file | - |
| article xml file uploaded | 31 March 2015 12:40 CEST | Original file | https://www.mdpi.com/2075-4450/6/1/197/xml |
| article pdf uploaded. | 18 March 2015 18:03 CET | Version of Record | https://www.mdpi.com/2075-4450/6/1/197/pdf |
