| article html file updated | 8 February 2020 03:03 CET | Update | https://www.mdpi.com/2075-4701/7/4/129 |
| article html file updated | 24 September 2019 04:53 CEST | Update | - |
| article html file updated | 4 May 2019 03:14 CEST | Update | - |
| article html file updated | 28 April 2017 06:56 CEST | Update | - |
| article html file updated | 7 April 2017 09:41 CEST | Original file | - |
| article xml uploaded. | 7 April 2017 09:39 CEST | Update | https://www.mdpi.com/2075-4701/7/4/129/xml |
| article pdf uploaded. | 7 April 2017 09:39 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/4/129/pdf |
