| article html file updated | 8 February 2020 22:01 CET | Update | https://www.mdpi.com/2220-9964/6/12/380 |
| article html file updated | 28 September 2019 16:49 CEST | Update | - |
| article html file updated | 2 May 2019 13:09 CEST | Update | - |
| article html file updated | 18 April 2019 10:48 CEST | Update | - |
| article html file updated | 2 January 2018 18:14 CET | Update | - |
| article html file updated | 23 November 2017 14:16 CET | Original file | - |
| article xml uploaded. | 23 November 2017 14:15 CET | Update | https://www.mdpi.com/2220-9964/6/12/380/xml |
| article xml uploaded. | 23 November 2017 14:15 CET | Original file | - |
| article pdf uploaded. | 23 November 2017 14:15 CET | Version of Record | https://www.mdpi.com/2220-9964/6/12/380/pdf |
