| article html file updated | 7 February 2020 13:09 CET | Update | https://www.mdpi.com/1999-4915/8/8/224 |
| article html file updated | 21 September 2019 22:46 CEST | Update | N/A |
| article html file updated | 5 May 2019 07:26 CEST | Update | N/A |
| article html file updated | 27 March 2019 13:18 CET | Update | N/A |
| article html file updated | 25 August 2016 12:15 CEST | Update | N/A |
| article html file updated | 11 August 2016 12:25 CEST | Update | N/A |
| article html file updated | 11 August 2016 09:23 CEST | Update | N/A |
| article html file updated | 11 August 2016 05:08 CEST | Update | N/A |
| article html file updated | 10 August 2016 12:18 CEST | Original file | N/A |
| article xml uploaded. | 10 August 2016 12:16 CEST | Original file | https://www.mdpi.com/1999-4915/8/8/224/xml |
| article pdf uploaded. | 10 August 2016 12:16 CEST | Version of Record | https://www.mdpi.com/1999-4915/8/8/224/pdf |
