| article html file updated | 8 February 2020 00:05 CET | Update | https://www.mdpi.com/2079-4991/7/3/51 |
| article html file updated | 23 September 2019 11:53 CEST | Update | - |
| article html file updated | 4 May 2019 09:49 CEST | Update | - |
| article html file updated | 12 April 2017 04:52 CEST | Update | - |
| article html file updated | 30 March 2017 11:56 CEST | Update | - |
| article html file updated | 23 February 2017 12:16 CET | Original file | - |
| article xml uploaded. | 23 February 2017 12:14 CET | Original file | https://www.mdpi.com/2079-4991/7/3/51/xml |
| article pdf uploaded. | 23 February 2017 12:14 CET | Version of Record | https://www.mdpi.com/2079-4991/7/3/51/pdf |
