| article html file updated | 5 February 2020 12:01 CET | Update | https://www.mdpi.com/1422-8599/2003/1/M301 |
| article html file updated | 9 May 2019 12:03 CEST | Update | N/A |
| article html file updated | 19 March 2019 17:53 CET | Update | N/A |
| article html file updated | 26 September 2017 09:45 CEST | Update | N/A |
| article xml uploaded. | 26 September 2017 09:43 CEST | Update | https://www.mdpi.com/1422-8599/2003/1/M301/xml |
| article html file updated | 23 September 2017 08:46 CEST | Update | N/A |
| article xml uploaded. | 23 September 2017 08:45 CEST | Original file | N/A |
| article html file updated | 14 December 2016 09:02 CET | Original file | N/A |
