| article html file updated | 10 February 2020 12:12 CET | Update | https://www.mdpi.com/1996-1073/11/10/2521 |
| article html file updated | 29 April 2019 03:13 CEST | Update | N/A |
| article html file updated | 14 April 2019 22:42 CEST | Update | N/A |
| article html file updated | 31 March 2019 21:32 CEST | Update | N/A |
| article html file updated | 31 October 2018 07:43 CET | Update | N/A |
| article html file updated | 21 September 2018 10:54 CEST | Original file | N/A |
| article pdf uploaded. | 21 September 2018 10:53 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/10/2521/pdf |
| article xml uploaded. | 21 September 2018 10:53 CEST | Update | https://www.mdpi.com/1996-1073/11/10/2521/xml |
| article xml file uploaded | 21 September 2018 10:53 CEST | Original file | N/A |
