update the pc list

Author: YangChenyuan

pc.md

@@ -9,29 +9,29 @@ permalink: /pc/
 - [Tegawendé F. Bissyandé](https://bissyande.github.io/) (University of Luxembourg, Luxembourg)
 - [Jose Cambronero](https://www.josecambronero.com) (Google, USA)
 - [Shing-Chi Cheung](https://home.cse.ust.hk/~scc/) (The Hong Kong University of Science and Technology, China)
-- [Loris D'Antoni](https://cseweb.ucsd.edu/~ldantoni/) (UCSD, United States)
-- [Yangruibo Ding](https://robin-y-ding-columbia.github.io/) (University of California, Los Angeles, United States)
-- [Saikat Dutta](https://www.cs.cornell.edu/~saikatd) (Cornell University, US)
-- [Jiani Huang](https://www.cis.upenn.edu/~jianih/) (University of Pennsylvania, United States)
+- [Loris D'Antoni](https://cseweb.ucsd.edu/~ldantoni/) (UCSD, USA)
+- [Yangruibo Ding](https://robin-y-ding-columbia.github.io/) (University of California, Los Angeles, USA)
+- [Saikat Dutta](https://www.cs.cornell.edu/~saikatd) (Cornell University, USA)
+- [Jiani Huang](https://www.cis.upenn.edu/~jianih/) (University of Pennsylvania, USA)
 - [Wenke Lee](https://wenke.gtisc.gatech.edu/) (Georgia Institute of Technology, USA)
 - [Penghui Li](https://peng-hui.github.io/) (Columbia University, USA)
 - [Zhenhao Li](https://ginolzh.github.io/) (York University, Canada)
-- [Ziyang Li](https://cs.jhu.edu/~ziyang) (Johns Hopkins University, United States)
+- [Ziyang Li](https://cs.jhu.edu/~ziyang) (Johns Hopkins University, USA)
 - [Qinghua Lu](https://people.csiro.au/L/Q/Qinghua-Lu) (CSIRO, Australia)
 - [Pengyu Nie](https://pengyunie.github.io/) (University of Waterloo, Canada)
-- [Corina Pasareanu](https://www.andrew.cmu.edu/user/pcorina/) (CMU, United States)
+- [Corina Pasareanu](https://www.andrew.cmu.edu/user/pcorina/) (CMU, USA)
 - [Chao Peng](https://chao-peng.github.io/) (ByteDance, China)
 - [Viet Hung Pham](https://hvpham.github.io/) (York University, Canada)
-- [Gabriel Ryan](https://gryan11.github.io/) (Microsoft, United States)
+- [Gabriel Ryan](https://gryan11.github.io/) (Microsoft, USA)
 - [Dongdong She](https://home.cse.ust.hk/~dongdong/) (HKUST, HK SAR, China)
 - [Linhai Song](https://songlh.github.io/) (Institute of Computing Technology, Chinese Academy of Sciences, China)
 - [Jun Sun](https://sunjun.site) (Singapore Management University, Singapore)
-- [Aditya Thimmaiah](https://www.adityathimmaiah.com) (The University of Texas at Austin, United States of America)
+- [Aditya Thimmaiah](https://www.adityathimmaiah.com) (The University of Texas at Austin, USA)
 - [Michele Tufano](https://tufanomichele.com/) (Google, USA)
 - [Chengpeng Wang](https://chengpeng-wang.github.io/) (Purdue University, USA)
 - [Anjiang Wei](https://cs.stanford.edu/~anjiang/) (Stanford University, USA)
-- [Xiangzhe Xu](https://sites.google.com/view/alex-xu/) (Purdue University, United States)
-- [Wei Yang](https://youngwei.com) (UTD, US)
+- [Xiangzhe Xu](https://sites.google.com/view/alex-xu/) (Purdue University, USA)
+- [Wei Yang](https://youngwei.com) (UTD, USA)
 - [Kundi Yao](https://kdyao.github.io/) (University of Waterloo, Canada)
 - [Juan Zhai](https://people.cs.umass.edu/~juanzhai/) (UMass, Amherst, USA)
 - [Jie Zhang](https://sites.google.com/view/jie-zhang/home) (King's College London, UK)