| article html file updated | 8 February 2020 03:45 CET | Update | https://www.mdpi.com/2073-4352/7/4/113 |
| article html file updated | 24 September 2019 08:42 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:54 CEST | Update | N/A |
| article html file updated | 28 April 2017 05:50 CEST | Update | N/A |
| article html file updated | 18 April 2017 06:30 CEST | Original file | N/A |
| article xml uploaded. | 18 April 2017 06:29 CEST | Original file | https://www.mdpi.com/2073-4352/7/4/113/xml |
| article pdf uploaded. | 18 April 2017 06:29 CEST | Updated version of record | https://www.mdpi.com/2073-4352/7/4/113/pdf |
| article pdf uploaded. | 17 April 2017 13:40 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/4/113/pdf-vor |
