| article html file updated | 8 February 2020 06:19 CET | Update | https://www.mdpi.com/2072-4292/9/5/501 |
| article html file updated | 24 September 2019 22:21 CEST | Update | - |
| article html file updated | 3 May 2019 21:08 CEST | Update | - |
| article html file updated | 31 May 2017 07:29 CEST | Update | - |
| article html file updated | 22 May 2017 05:04 CEST | Update | - |
| article html file updated | 19 May 2017 15:46 CEST | Original file | - |
| article xml uploaded. | 19 May 2017 15:45 CEST | Original file | https://www.mdpi.com/2072-4292/9/5/501/xml |
| article pdf uploaded. | 19 May 2017 15:45 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/5/501/pdf |
