| article html file updated | 8 February 2020 03:11 CET | Update | https://www.mdpi.com/2075-4701/7/4/130 |
| article html file updated | 24 September 2019 05:31 CEST | Update | - |
| article html file updated | 4 May 2019 03:01 CEST | Update | - |
| article html file updated | 28 April 2017 06:57 CEST | Update | - |
| article html file updated | 10 April 2017 03:38 CEST | Original file | - |
| article xml uploaded. | 10 April 2017 03:36 CEST | Update | https://www.mdpi.com/2075-4701/7/4/130/xml |
| article pdf uploaded. | 10 April 2017 03:36 CEST | Updated version of record | https://www.mdpi.com/2075-4701/7/4/130/pdf |
| article pdf uploaded. | 8 April 2017 11:43 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/4/130/pdf-vor |
