| article html file updated | 9 February 2020 15:56 CET | Update | https://www.mdpi.com/2079-9721/6/2/33 |
| article html file updated | 3 October 2019 03:26 CEST | Update | N/A |
| article html file updated | 30 April 2019 23:22 CEST | Update | N/A |
| article html file updated | 16 April 2019 23:58 CEST | Update | N/A |
| article html file updated | 29 March 2019 20:42 CET | Update | N/A |
| article html file updated | 4 May 2018 14:01 CEST | Update | N/A |
| article xml uploaded. | 4 May 2018 14:00 CEST | Update | https://www.mdpi.com/2079-9721/6/2/33/xml |
| article pdf uploaded. | 4 May 2018 14:00 CEST | Updated version of record | https://www.mdpi.com/2079-9721/6/2/33/pdf |
| article html file updated | 1 May 2018 14:57 CEST | Original file | N/A |
| article pdf uploaded. | 1 May 2018 09:45 CEST | Version of Record | https://www.mdpi.com/2079-9721/6/2/33/pdf-vor |
| article xml file uploaded | 1 May 2018 09:45 CEST | Original file | N/A |
