| article html file updated | 8 February 2020 00:46 CET | Update | https://www.mdpi.com/1424-8220/17/3/515 |
| article html file updated | 23 September 2019 15:51 CEST | Update | - |
| article html file updated | 4 May 2019 08:14 CEST | Update | - |
| article html file updated | 31 March 2017 10:01 CEST | Update | - |
| article html file updated | 6 March 2017 08:10 CET | Update | - |
| article xml uploaded. | 6 March 2017 08:09 CET | Update | https://www.mdpi.com/1424-8220/17/3/515/xml |
| article pdf uploaded. | 6 March 2017 08:09 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/3/515/pdf |
| article html file updated | 4 March 2017 09:55 CET | Original file | - |
| article pdf uploaded. | 4 March 2017 09:54 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/515/pdf-vor |
