function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abrunhosa, Jacqueline & Sindeaux-Neto, Jose L. & Santos, Sidney', 1],
    ['Cardim, Joyce & Silva, Diehgo & Hamoy, Igor & Matos, Edilson', 1],
    ['Carriero, Mateus M. & Adriano, Edson A. & Silva, Marcia R. M.', 5],
    ['Fetherman, Eric R. & Avila, Brian W.', 2],
    ['Gao, Lei & Zhang, Jing & Yang, Chengzhong & Zhao, Yuanjun', 2],
    ['Garg, Anupma & Chaudhary, Anshu & Gupta, Abhishek', 1],
    ['Lekeufack-Folefack, Guy Benoit', 1],
    ['Liu, Xiaohua & Zhang, Diaodiao & Yang, Chengzhong', 1],
    ['Lopes, Daniela A. & Gomes, Delir Correa & Knoff, Marcelo', 1],
    ['Mathews, Patrick D. & Madrid, Rafael R. M. & Mertins, Omar', 1],
    ['Naldoni, Juliana & Zatti, Suellen A.', 1],
    ['Zhang, Bo & Zhai, Yanhua & Liu, Yang & Gu, Zemao', 1],
    ['Zhou, Qingjie & Cao, Zeyi & Gao, Zhipeng & Xi, Bingwen', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=19)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);