| article html file updated | 9 February 2020 04:07 CET | Update | https://www.mdpi.com/2076-3263/8/2/40 |
| article html file updated | 30 September 2019 04:09 CEST | Update | N/A |
| article html file updated | 2 May 2019 00:01 CEST | Update | N/A |
| article html file updated | 17 April 2019 22:32 CEST | Update | N/A |
| article html file updated | 28 March 2019 17:53 CET | Update | N/A |
| article html file updated | 14 March 2018 10:25 CET | Update | N/A |
| article html file updated | 24 January 2018 04:25 CET | Original file | N/A |
| article xml uploaded. | 24 January 2018 04:23 CET | Original file | https://www.mdpi.com/2076-3263/8/2/40/xml |
| article pdf uploaded. | 24 January 2018 04:23 CET | Version of Record | https://www.mdpi.com/2076-3263/8/2/40/pdf |
