| article html file updated | 9 February 2020 03:42 CET | Update | https://www.mdpi.com/2076-3263/8/1/31 |
| article html file updated | 30 September 2019 01:55 CEST | Update | N/A |
| article html file updated | 2 May 2019 00:55 CEST | Update | N/A |
| article html file updated | 17 April 2019 23:18 CEST | Update | N/A |
| article html file updated | 28 March 2019 17:00 CET | Update | N/A |
| article html file updated | 1 February 2018 15:24 CET | Update | N/A |
| article html file updated | 19 January 2018 18:33 CET | Original file | N/A |
| article xml uploaded. | 19 January 2018 18:32 CET | Original file | https://www.mdpi.com/2076-3263/8/1/31/xml |
| article pdf uploaded. | 19 January 2018 18:32 CET | Version of Record | https://www.mdpi.com/2076-3263/8/1/31/pdf |
