| article html file updated | 5 February 2020 12:02 CET | Update | https://www.mdpi.com/1422-8599/2003/3/M336 |
| article html file updated | 9 May 2019 11:58 CEST | Update | N/A |
| article html file updated | 19 March 2019 17:57 CET | Update | N/A |
| article html file updated | 23 September 2017 17:45 CEST | Update | N/A |
| article xml uploaded. | 23 September 2017 17:43 CEST | Original file | https://www.mdpi.com/1422-8599/2003/3/M336/xml |
| article pdf uploaded. | 23 September 2017 17:43 CEST | Version of Record | https://www.mdpi.com/1422-8599/2003/3/M336/pdf |
| article html file updated | 15 December 2016 10:05 CET | Original file | N/A |
