| article html file updated | 7 February 2020 18:49 CET | Update | https://www.mdpi.com/2220-9964/5/12/225 |
| article html file updated | 22 September 2019 07:48 CEST | Update | - |
| article html file updated | 4 May 2019 20:54 CEST | Update | - |
| article html file updated | 28 December 2016 10:40 CET | Update | - |
| article html file updated | 30 November 2016 08:48 CET | Original file | - |
| article xml uploaded. | 30 November 2016 08:46 CET | Update | https://www.mdpi.com/2220-9964/5/12/225/xml |
| article xml uploaded. | 30 November 2016 08:46 CET | Original file | - |
| article pdf uploaded. | 30 November 2016 08:46 CET | Version of Record | https://www.mdpi.com/2220-9964/5/12/225/pdf |
