| article html file updated | 9 February 2020 01:13 CET | Update | https://www.mdpi.com/2304-6740/6/1/2 |
| article html file updated | 29 September 2019 11:47 CEST | Update | N/A |
| article html file updated | 2 May 2019 06:05 CEST | Update | N/A |
| article html file updated | 18 April 2019 04:04 CEST | Update | N/A |
| article html file updated | 28 March 2019 11:13 CET | Update | N/A |
| article html file updated | 27 March 2018 12:28 CEST | Update | N/A |
| article html file updated | 26 December 2017 07:28 CET | Original file | N/A |
| article xml uploaded. | 26 December 2017 07:26 CET | Update | https://www.mdpi.com/2304-6740/6/1/2/xml |
| article xml uploaded. | 26 December 2017 07:26 CET | Original file | N/A |
| article pdf uploaded. | 26 December 2017 07:26 CET | Version of Record | https://www.mdpi.com/2304-6740/6/1/2/pdf |
