| article html file updated | 6 February 2020 15:05 CET | Update | https://www.mdpi.com/2075-4450/6/1/102 |
| article html file updated | 20 September 2019 16:48 CEST | Update | - |
| article html file updated | 7 May 2019 02:40 CEST | Update | - |
| article html file updated | 25 March 2019 20:20 CET | Update | - |
| article html file updated | 21 August 2015 05:33 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/2075-4450/6/1/102/xml |
| article pdf uploaded. | 9 January 2015 14:12 CET | Version of Record | https://www.mdpi.com/2075-4450/6/1/102/pdf |
