| article html file updated | 8 February 2020 02:36 CET | Update | https://www.mdpi.com/2073-4352/7/4/97 |
| article html file updated | 24 September 2019 02:13 CEST | Update | N/A |
| article html file updated | 4 May 2019 04:17 CEST | Update | N/A |
| article html file updated | 28 April 2017 05:47 CEST | Update | N/A |
| article html file updated | 30 March 2017 12:54 CEST | Original file | N/A |
| article xml uploaded. | 30 March 2017 12:52 CEST | Original file | https://www.mdpi.com/2073-4352/7/4/97/xml |
| article pdf uploaded. | 30 March 2017 12:52 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/4/97/pdf |
