| article html file updated | 8 February 2020 02:49 CET | Update | https://www.mdpi.com/2073-4352/7/4/101 |
| article html file updated | 24 September 2019 03:29 CEST | Update | - |
| article html file updated | 4 May 2019 03:48 CEST | Update | - |
| article html file updated | 28 April 2017 05:47 CEST | Update | - |
| article html file updated | 6 April 2017 07:28 CEST | Original file | - |
| article xml uploaded. | 6 April 2017 07:26 CEST | Update | https://www.mdpi.com/2073-4352/7/4/101/xml |
| article pdf uploaded. | 6 April 2017 07:26 CEST | Updated version of record | https://www.mdpi.com/2073-4352/7/4/101/pdf |
| article pdf uploaded. | 2 April 2017 11:52 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/4/101/pdf-vor |
