| article html file updated | 6 February 2020 16:48 CET | Update | https://www.mdpi.com/2072-6651/7/3/971 |
| article html file updated | 20 September 2019 19:05 CEST | Update | N/A |
| article html file updated | 6 May 2019 23:27 CEST | Update | N/A |
| article html file updated | 25 March 2019 23:15 CET | Update | N/A |
| article html file updated | 21 August 2015 09:03 CEST | Update | N/A |
| article html file updated | 31 March 2015 12:40 CEST | Original file | N/A |
| article xml file uploaded | 31 March 2015 12:40 CEST | Original file | https://www.mdpi.com/2072-6651/7/3/971/xml |
| article pdf uploaded. | 19 March 2015 14:10 CET | Version of Record | https://www.mdpi.com/2072-6651/7/3/971/pdf |
