| article html file updated | 8 February 2020 23:24 CET | Update | https://www.mdpi.com/2075-4701/7/12/549 |
| article html file updated | 29 September 2019 01:19 CEST | Update | N/A |
| article html file updated | 2 May 2019 10:03 CEST | Update | N/A |
| article html file updated | 18 April 2019 07:42 CEST | Update | N/A |
| article html file updated | 2 January 2018 18:03 CET | Update | N/A |
| article html file updated | 7 December 2017 12:00 CET | Original file | N/A |
| article xml uploaded. | 7 December 2017 11:58 CET | Update | https://www.mdpi.com/2075-4701/7/12/549/xml |
| article xml uploaded. | 7 December 2017 11:58 CET | Original file | N/A |
| article pdf uploaded. | 7 December 2017 11:58 CET | Version of Record | https://www.mdpi.com/2075-4701/7/12/549/pdf |
