| article html file updated | 8 February 2020 00:40 CET | Update | https://www.mdpi.com/1424-8220/17/3/500 |
| article html file updated | 23 September 2019 15:13 CEST | Update | - |
| article html file updated | 4 May 2019 08:29 CEST | Update | - |
| article html file updated | 31 March 2017 09:58 CEST | Update | - |
| article html file updated | 8 March 2017 09:41 CET | Update | - |
| article xml uploaded. | 8 March 2017 09:40 CET | Update | https://www.mdpi.com/1424-8220/17/3/500/xml |
| article pdf uploaded. | 8 March 2017 09:40 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/3/500/pdf |
| article html file updated | 3 March 2017 10:10 CET | Original file | - |
| article pdf uploaded. | 3 March 2017 10:09 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/500/pdf-vor |
