| article html file updated | 7 February 2020 08:12 CET | Update | https://www.mdpi.com/2072-6651/8/5/138 |
| article html file updated | 5 May 2019 16:45 CEST | Update | N/A |
| article html file updated | 27 March 2019 03:47 CET | Update | N/A |
| article html file updated | 30 May 2016 08:45 CEST | Update | N/A |
| article html file updated | 5 May 2016 09:34 CEST | Original file | N/A |
| article xml uploaded. | 5 May 2016 09:33 CEST | Original file | https://www.mdpi.com/2072-6651/8/5/138/xml |
| article pdf uploaded. | 5 May 2016 09:33 CEST | Version of Record | https://www.mdpi.com/2072-6651/8/5/138/pdf |
