| article html file updated | 9 February 2020 02:13 CET | Update | https://www.mdpi.com/2218-6581/7/1/4 |
| article html file updated | 29 September 2019 17:28 CEST | Update | N/A |
| article html file updated | 2 May 2019 03:58 CEST | Update | N/A |
| article html file updated | 18 April 2019 02:05 CEST | Update | N/A |
| article html file updated | 28 March 2019 13:37 CET | Update | N/A |
| article html file updated | 27 March 2018 16:09 CEST | Update | N/A |
| article html file updated | 9 January 2018 04:24 CET | Update | N/A |
| article xml uploaded. | 9 January 2018 04:23 CET | Update | https://www.mdpi.com/2218-6581/7/1/4/xml |
| article pdf uploaded. | 9 January 2018 04:23 CET | Updated version of record | https://www.mdpi.com/2218-6581/7/1/4/pdf |
| article html file updated | 9 January 2018 04:20 CET | Update | N/A |
| article pdf uploaded. | 9 January 2018 04:19 CET | Updated version of record | https://www.mdpi.com/2218-6581/7/1/4/pdf-vor |
| article html file updated | 7 January 2018 12:45 CET | Original file | N/A |
| article pdf uploaded. | 7 January 2018 12:44 CET | Updated version of record | https://www.mdpi.com/2218-6581/7/1/4/pdf-vor |
| article pdf uploaded. | 6 January 2018 12:39 CET | Version of Record | https://www.mdpi.com/2218-6581/7/1/4/pdf-vor |
