| article html file updated | 8 February 2020 00:04 CET | Update | https://www.mdpi.com/2073-4441/9/3/155 |
| article html file updated | 23 September 2019 11:46 CEST | Update | - |
| article html file updated | 4 May 2019 09:53 CEST | Update | - |
| article html file updated | 28 March 2017 03:18 CEST | Update | - |
| article html file updated | 1 March 2017 03:26 CET | Original file | - |
| article xml uploaded. | 1 March 2017 03:25 CET | Update | https://www.mdpi.com/2073-4441/9/3/155/xml |
| article pdf uploaded. | 1 March 2017 03:25 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/3/155/pdf |
| article pdf uploaded. | 23 February 2017 09:40 CET | Version of Record | https://www.mdpi.com/2073-4441/9/3/155/pdf-vor |
