| article html file updated | 8 February 2020 01:47 CET | Update | https://www.mdpi.com/2076-328X/7/1/15 |
| article html file updated | 23 September 2019 21:39 CEST | Update | - |
| article html file updated | 4 May 2019 06:00 CEST | Update | - |
| article html file updated | 30 March 2017 10:56 CEST | Update | - |
| article html file updated | 19 March 2017 10:29 CET | Original file | - |
| article xml uploaded. | 19 March 2017 10:28 CET | Original file | https://www.mdpi.com/2076-328X/7/1/15/xml |
| article pdf uploaded. | 19 March 2017 10:28 CET | Version of Record | https://www.mdpi.com/2076-328X/7/1/15/pdf |
