| article html file updated | 8 February 2020 00:05 CET | Update | https://www.mdpi.com/2075-4701/7/3/70 |
| article html file updated | 23 September 2019 11:54 CEST | Update | - |
| article html file updated | 4 May 2019 09:49 CEST | Update | - |
| article html file updated | 28 March 2017 11:02 CEST | Update | - |
| article html file updated | 23 February 2017 12:36 CET | Update | - |
| article html file updated | 23 February 2017 12:36 CET | Update | - |
| article html file updated | 23 February 2017 12:36 CET | Original file | - |
| article xml uploaded. | 23 February 2017 12:34 CET | Update | https://www.mdpi.com/2075-4701/7/3/70/xml |
| article xml uploaded. | 23 February 2017 12:34 CET | Original file | - |
| article pdf uploaded. | 23 February 2017 12:34 CET | Version of Record | https://www.mdpi.com/2075-4701/7/3/70/pdf |
