| article html file updated | 8 February 2020 00:40 CET | Update | https://www.mdpi.com/1424-8220/17/3/508 |
| article html file updated | 23 September 2019 15:14 CEST | Update | N/A |
| article html file updated | 4 May 2019 08:29 CEST | Update | N/A |
| article html file updated | 31 March 2017 10:00 CEST | Update | N/A |
| article html file updated | 5 March 2017 02:54 CET | Original file | N/A |
| article xml uploaded. | 5 March 2017 02:53 CET | Original file | https://www.mdpi.com/1424-8220/17/3/508/xml |
| article pdf uploaded. | 5 March 2017 02:53 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/3/508/pdf |
| article pdf uploaded. | 3 March 2017 10:00 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/508/pdf-vor |
