| article html file updated | 9 February 2020 19:03 CET | Update | https://www.mdpi.com/2076-0787/7/2/53 |
| article html file updated | 30 April 2019 16:38 CEST | Update | N/A |
| article html file updated | 16 April 2019 17:05 CEST | Update | N/A |
| article html file updated | 30 March 2019 04:40 CET | Update | N/A |
| article html file updated | 25 May 2018 12:57 CEST | Original file | N/A |
| article pdf uploaded. | 25 May 2018 12:55 CEST | Version of Record | https://www.mdpi.com/2076-0787/7/2/53/pdf |
| article xml uploaded. | 25 May 2018 12:55 CEST | Update | https://www.mdpi.com/2076-0787/7/2/53/xml |
| article xml file uploaded | 25 May 2018 12:55 CEST | Original file | N/A |
