| article html file updated | 9 February 2020 05:35 CET | Update | https://www.mdpi.com/2220-9964/7/2/52 |
| article html file updated | 30 September 2019 13:06 CEST | Update | N/A |
| article html file updated | 1 May 2019 20:49 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:48 CEST | Update | N/A |
| article html file updated | 28 March 2019 21:04 CET | Update | N/A |
| article html file updated | 14 March 2018 14:51 CET | Update | N/A |
| article html file updated | 7 February 2018 07:25 CET | Original file | N/A |
| article xml uploaded. | 7 February 2018 07:23 CET | Update | https://www.mdpi.com/2220-9964/7/2/52/xml |
| article xml uploaded. | 7 February 2018 07:23 CET | Original file | N/A |
| article pdf uploaded. | 7 February 2018 07:23 CET | Updated version of record | https://www.mdpi.com/2220-9964/7/2/52/pdf |
| article pdf uploaded. | 5 February 2018 17:54 CET | Version of Record | https://www.mdpi.com/2220-9964/7/2/52/pdf-vor |
