| article html file updated | 7 February 2020 15:32 CET | Update | https://www.mdpi.com/2220-9964/5/10/172 |
| article html file updated | 5 May 2019 03:07 CEST | Update | - |
| article html file updated | 4 November 2016 07:55 CET | Update | - |
| article html file updated | 25 September 2016 12:16 CEST | Original file | - |
| article xml uploaded. | 25 September 2016 12:15 CEST | Update | https://www.mdpi.com/2220-9964/5/10/172/xml |
| article xml uploaded. | 25 September 2016 12:15 CEST | Original file | - |
| article pdf uploaded. | 25 September 2016 12:15 CEST | Version of Record | https://www.mdpi.com/2220-9964/5/10/172/pdf |
