| article html file updated | 8 February 2020 01:57 CET | Update | https://www.mdpi.com/2072-6643/9/3/312 |
| article html file updated | 23 September 2019 22:42 CEST | Update | N/A |
| article html file updated | 4 May 2019 05:39 CEST | Update | N/A |
| article html file updated | 28 March 2017 09:31 CEST | Update | N/A |
| article html file updated | 27 March 2017 05:22 CEST | Update | N/A |
| article html file updated | 24 March 2017 06:59 CET | Update | N/A |
| article html file updated | 22 March 2017 09:56 CET | Original file | N/A |
| article xml uploaded. | 22 March 2017 09:54 CET | Original file | https://www.mdpi.com/2072-6643/9/3/312/xml |
| article pdf uploaded. | 22 March 2017 09:54 CET | Version of Record | https://www.mdpi.com/2072-6643/9/3/312/pdf |
