| article html file updated | 9 February 2020 21:36 CET | Update | https://www.mdpi.com/2073-4433/9/6/231 |
| article html file updated | 4 October 2019 15:08 CEST | Update | N/A |
| article html file updated | 30 April 2019 10:34 CEST | Update | N/A |
| article html file updated | 16 April 2019 11:00 CEST | Update | N/A |
| article html file updated | 16 April 2019 05:56 CEST | Update | N/A |
| article html file updated | 30 March 2019 11:07 CET | Update | N/A |
| article html file updated | 26 June 2018 10:56 CEST | Update | N/A |
| article html file updated | 15 June 2018 07:40 CEST | Original file | N/A |
| article pdf uploaded. | 15 June 2018 07:39 CEST | Version of Record | https://www.mdpi.com/2073-4433/9/6/231/pdf |
| article xml uploaded. | 15 June 2018 07:39 CEST | Update | https://www.mdpi.com/2073-4433/9/6/231/xml |
| article xml file uploaded | 15 June 2018 07:39 CEST | Original file | N/A |
