| article html file updated | 8 February 2020 00:31 CET | Update | https://www.mdpi.com/2072-6643/9/3/218 |
| article html file updated | 23 September 2019 14:20 CEST | Update | N/A |
| article html file updated | 4 May 2019 08:51 CEST | Update | N/A |
| article html file updated | 28 March 2017 09:45 CEST | Update | N/A |
| article html file updated | 1 March 2017 09:29 CET | Original file | N/A |
| article xml uploaded. | 1 March 2017 09:28 CET | Original file | https://www.mdpi.com/2072-6643/9/3/218/xml |
| article pdf uploaded. | 1 March 2017 09:28 CET | Version of Record | https://www.mdpi.com/2072-6643/9/3/218/pdf |
