| article html file updated | 8 February 2020 00:54 CET | Update | https://www.mdpi.com/1424-8220/17/3/531 |
| article html file updated | 23 September 2019 16:42 CEST | Update | N/A |
| article html file updated | 4 May 2019 07:55 CEST | Update | N/A |
| article html file updated | 31 March 2017 10:04 CEST | Update | N/A |
| article html file updated | 7 March 2017 09:36 CET | Original file | N/A |
| article xml uploaded. | 7 March 2017 09:35 CET | Original file | https://www.mdpi.com/1424-8220/17/3/531/xml |
| article pdf uploaded. | 7 March 2017 09:35 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/531/pdf |
