| article html file updated | 8 February 2020 01:07 CET | Update | https://www.mdpi.com/2072-6643/9/3/254 |
| article html file updated | 23 September 2019 17:51 CEST | Update | - |
| article html file updated | 4 May 2019 07:28 CEST | Update | - |
| article html file updated | 28 March 2017 09:43 CEST | Update | - |
| article html file updated | 9 March 2017 11:47 CET | Original file | - |
| article xml uploaded. | 9 March 2017 11:45 CET | Original file | https://www.mdpi.com/2072-6643/9/3/254/xml |
| article pdf uploaded. | 9 March 2017 11:45 CET | Version of Record | https://www.mdpi.com/2072-6643/9/3/254/pdf |
