| article html file updated | 7 February 2020 07:51 CET | Update | https://www.mdpi.com/2073-4441/8/5/172 |
| article html file updated | 5 May 2019 17:27 CEST | Update | N/A |
| article html file updated | 27 March 2019 03:05 CET | Update | N/A |
| article html file updated | 27 May 2016 10:07 CEST | Update | N/A |
| article html file updated | 27 April 2016 09:30 CEST | Original file | N/A |
| article xml uploaded. | 27 April 2016 09:28 CEST | Original file | https://www.mdpi.com/2073-4441/8/5/172/xml |
| article pdf uploaded. | 27 April 2016 09:28 CEST | Version of Record | https://www.mdpi.com/2073-4441/8/5/172/pdf |
