| article html file updated | 9 February 2020 14:34 CET | Update | https://www.mdpi.com/2073-4433/9/4/155 |
| article html file updated | 1 May 2019 02:01 CEST | Update | - |
| article html file updated | 17 April 2019 02:34 CEST | Update | - |
| article html file updated | 29 March 2019 17:25 CET | Update | - |
| article html file updated | 1 May 2018 13:00 CEST | Update | - |
| article html file updated | 20 April 2018 04:11 CEST | Original file | - |
| article pdf uploaded. | 20 April 2018 04:09 CEST | Version of Record | https://www.mdpi.com/2073-4433/9/4/155/pdf |
| article xml uploaded. | 20 April 2018 04:09 CEST | Update | https://www.mdpi.com/2073-4433/9/4/155/xml |
| article xml file uploaded | 20 April 2018 04:09 CEST | Original file | - |
