| article html file updated | 7 February 2020 18:54 CET | Update | https://www.mdpi.com/2220-9964/5/12/226 |
| article html file updated | 22 September 2019 08:06 CEST | Update | - |
| article html file updated | 4 May 2019 20:44 CEST | Update | - |
| article html file updated | 28 December 2016 10:40 CET | Update | - |
| article html file updated | 1 December 2016 13:36 CET | Original file | - |
| article xml uploaded. | 1 December 2016 13:35 CET | Original file | https://www.mdpi.com/2220-9964/5/12/226/xml |
| article pdf uploaded. | 1 December 2016 13:35 CET | Version of Record | https://www.mdpi.com/2220-9964/5/12/226/pdf |
