| article html file updated | 8 February 2020 04:39 CET | Update | https://www.mdpi.com/2220-9964/6/5/136 |
| article html file updated | 24 September 2019 13:39 CEST | Update | - |
| article html file updated | 4 May 2019 00:15 CEST | Update | - |
| article html file updated | 31 May 2017 10:00 CEST | Update | - |
| article html file updated | 28 April 2017 14:49 CEST | Original file | - |
| article xml uploaded. | 28 April 2017 14:48 CEST | Original file | https://www.mdpi.com/2220-9964/6/5/136/xml |
| article pdf uploaded. | 28 April 2017 14:48 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/5/136/pdf |
