| article html file updated | 7 February 2020 04:33 CET | Update | https://www.mdpi.com/2075-471X/5/1/3 |
| article html file updated | 6 May 2019 00:22 CEST | Update | - |
| article html file updated | 26 March 2019 20:42 CET | Original file | - |
| article xml uploaded. | 15 February 2016 10:37 CET | Update | https://www.mdpi.com/2075-471X/5/1/3/xml |
| article pdf uploaded. | 15 February 2016 10:37 CET | Updated version of record | https://www.mdpi.com/2075-471X/5/1/3/pdf |
| article xml uploaded. | 15 February 2016 09:32 CET | Original file | - |
| article pdf uploaded. | 15 February 2016 09:32 CET | Version of Record | - |
