| article html file updated | 7 February 2020 08:53 CET | Update | https://www.mdpi.com/2073-4433/7/5/69 |
| article html file updated | 5 May 2019 15:27 CEST | Update | N/A |
| article html file updated | 27 March 2019 05:01 CET | Update | N/A |
| article html file updated | 26 May 2016 11:13 CEST | Update | N/A |
| article html file updated | 18 May 2016 11:54 CEST | Original file | N/A |
| article xml uploaded. | 18 May 2016 11:52 CEST | Original file | https://www.mdpi.com/2073-4433/7/5/69/xml |
| article pdf uploaded. | 18 May 2016 11:52 CEST | Version of Record | https://www.mdpi.com/2073-4433/7/5/69/pdf |
