| article html file updated | 6 February 2020 20:04 CET | Update | https://www.mdpi.com/2073-4336/6/3/175 |
| article html file updated | 20 September 2019 23:22 CEST | Update | N/A |
| article html file updated | 6 May 2019 16:59 CEST | Update | N/A |
| article html file updated | 26 March 2019 05:26 CET | Update | N/A |
| article html file updated | 5 November 2015 11:16 CET | Original file | N/A |
| article xml file uploaded | 5 November 2015 11:16 CET | Original file | https://www.mdpi.com/2073-4336/6/3/175/xml |
| article pdf uploaded. | 25 June 2015 14:32 CEST | Version of Record | https://www.mdpi.com/2073-4336/6/3/175/pdf |
