| article html file updated | 7 February 2020 13:10 CET | Update | https://www.mdpi.com/2072-6643/8/8/491 |
| article html file updated | 5 May 2019 07:24 CEST | Update | N/A |
| article html file updated | 27 March 2019 13:20 CET | Update | N/A |
| article html file updated | 25 August 2016 07:49 CEST | Update | N/A |
| article html file updated | 11 August 2016 12:34 CEST | Update | N/A |
| article html file updated | 11 August 2016 09:04 CEST | Original file | N/A |
| article xml uploaded. | 11 August 2016 09:03 CEST | Update | https://www.mdpi.com/2072-6643/8/8/491/xml |
| article xml uploaded. | 11 August 2016 09:03 CEST | Original file | N/A |
| article pdf uploaded. | 11 August 2016 09:03 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/8/491/pdf |
