| article html file updated | 7 February 2020 15:52 CET | Update | https://www.mdpi.com/2306-5338/3/4/32 |
| article html file updated | 5 May 2019 02:31 CEST | Update | - |
| article html file updated | 30 September 2016 12:28 CEST | Original file | - |
| article xml uploaded. | 30 September 2016 12:26 CEST | Update | https://www.mdpi.com/2306-5338/3/4/32/xml |
| article xml uploaded. | 30 September 2016 12:26 CEST | Update | - |
| article xml uploaded. | 30 September 2016 12:26 CEST | Update | - |
| article xml uploaded. | 30 September 2016 12:26 CEST | Update | - |
| article xml uploaded. | 30 September 2016 12:26 CEST | Original file | - |
| article pdf uploaded. | 30 September 2016 12:26 CEST | Version of Record | https://www.mdpi.com/2306-5338/3/4/32/pdf |
