MSIsensor-pro is available at https://github.com/xjtu-omics/msisensor-pro
with help documentation and demo data. It is free for non-commercial use 
by academic, government, and non-profit/not-for-profit institutions. A 
commercial version of the software is available and licensed through 
Xi’an Jiaotong University. For more information, please contact with 
kaiye@xjtu.edu.cn.