| article html file updated | 6 February 2020 01:55 CET | Update | https://www.mdpi.com/2073-4336/4/2/182 |
| article html file updated | 8 May 2019 05:32 CEST | Update | - |
| article html file updated | 20 March 2019 22:05 CET | Update | - |
| article html file updated | 20 July 2017 02:50 CEST | Update | - |
| article html file updated | 20 July 2017 02:49 CEST | Update | - |
| article html file updated | 20 July 2017 02:48 CEST | Original file | - |
| article xml uploaded. | 20 July 2017 02:46 CEST | Update | https://www.mdpi.com/2073-4336/4/2/182/xml |
| article pdf uploaded. | 6 May 2013 12:01 CEST | Version of Record | https://www.mdpi.com/2073-4336/4/2/182/pdf |
