| article html file updated | 9 February 2020 03:46 CET | Update | https://www.mdpi.com/2073-4344/8/1/40 |
| article html file updated | 30 September 2019 02:18 CEST | Update | N/A |
| article html file updated | 2 May 2019 00:46 CEST | Update | N/A |
| article html file updated | 17 April 2019 23:10 CEST | Update | N/A |
| article html file updated | 28 March 2019 17:09 CET | Update | N/A |
| article html file updated | 1 February 2018 10:16 CET | Update | N/A |
| article html file updated | 20 January 2018 10:17 CET | Original file | N/A |
| article xml uploaded. | 20 January 2018 10:16 CET | Update | https://www.mdpi.com/2073-4344/8/1/40/xml |
| article xml uploaded. | 20 January 2018 10:16 CET | Original file | N/A |
| article pdf uploaded. | 20 January 2018 10:16 CET | Version of Record | https://www.mdpi.com/2073-4344/8/1/40/pdf |
