| article html file updated | 7 February 2020 05:45 CET | Update | https://www.mdpi.com/1420-3049/21/3/343 |
| article html file updated | 21 September 2019 12:58 CEST | Update | N/A |
| article html file updated | 5 May 2019 21:46 CEST | Update | N/A |
| article html file updated | 26 March 2019 23:12 CET | Update | N/A |
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| article html file updated | 31 March 2016 02:56 CEST | Original file | N/A |
| article pdf uploaded. | 11 March 2016 15:21 CET | Version of Record | https://www.mdpi.com/1420-3049/21/3/343/pdf |
| article xml uploaded. | 11 March 2016 15:21 CET | Original file | https://www.mdpi.com/1420-3049/21/3/343/xml |