| article html file updated | 9 February 2020 14:13 CET | Update | https://www.mdpi.com/2075-471X/7/2/15 |
| article html file updated | 1 May 2019 02:41 CEST | Update | N/A |
| article html file updated | 17 April 2019 03:10 CEST | Update | N/A |
| article html file updated | 29 March 2019 16:36 CET | Update | N/A |
| article html file updated | 19 April 2018 11:44 CEST | Original file | N/A |
| article pdf uploaded. | 19 April 2018 11:43 CEST | Updated version of record | https://www.mdpi.com/2075-471X/7/2/15/pdf |
| article xml uploaded. | 19 April 2018 11:43 CEST | Update | https://www.mdpi.com/2075-471X/7/2/15/xml |
| article xml file uploaded | 19 April 2018 11:43 CEST | Original file | N/A |
