| article html file updated | 9 February 2020 03:03 CET | Update | https://www.mdpi.com/2075-4418/8/1/8 |
| article html file updated | 29 September 2019 21:58 CEST | Update | N/A |
| article html file updated | 2 May 2019 02:16 CEST | Update | N/A |
| article html file updated | 18 April 2019 00:31 CEST | Update | N/A |
| article html file updated | 28 March 2019 15:32 CET | Update | N/A |
| article html file updated | 27 March 2018 14:30 CEST | Update | N/A |
| article html file updated | 14 January 2018 12:18 CET | Original file | N/A |
| article xml uploaded. | 14 January 2018 12:17 CET | Original file | https://www.mdpi.com/2075-4418/8/1/8/xml |
| article pdf uploaded. | 14 January 2018 12:17 CET | Version of Record | https://www.mdpi.com/2075-4418/8/1/8/pdf |
