| article html file updated | 7 February 2020 23:59 CET | Update | https://www.mdpi.com/2079-9268/7/1/5 |
| article html file updated | 23 September 2019 11:13 CEST | Update | - |
| article html file updated | 4 May 2019 10:03 CEST | Update | - |
| article html file updated | 23 February 2017 02:21 CET | Update | - |
| article xml uploaded. | 23 February 2017 02:19 CET | Update | https://www.mdpi.com/2079-9268/7/1/5/xml |
| article html file updated | 22 February 2017 10:55 CET | Original file | - |
| article xml uploaded. | 22 February 2017 10:54 CET | Original file | - |
| article pdf uploaded. | 22 February 2017 10:54 CET | Version of Record | https://www.mdpi.com/2079-9268/7/1/5/pdf |
