function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['An, Jianmei & Boyko, Christopher B. & Li, Xinzheng', 64],
    ['An, Jianmei & Chen, Ruru & Paulay, Gustav', 8],
    ['An, Jianmei & Markham, John C. & Li, Xinzheng', 6],
    ['An, Jianmei & Wang, Mingxiao & Boyko, Christopher B.', 6],
    ['An, Jianmei & Yu, Haiyan & Williams, Jason D.', 6],
    ['An, Jianmei & Zheng, Wanrui & Liang, Jielong & Paulay, Gustav', 6],
    ['Boyko, Christopher B. & Williams, Jason D.', 28],
    ['Boyko, Christopher B. & Williams, Jason D. & Shields, Jeffrey D.', 15],
    ['Duan, Jiangyan & An, Jianmei & Yu, Haiyan', 5],
    ['Page, Roderic Dugald Morton Dr.', 6],
    ['Pardo, Luis Miguel & Boyko, Christopher B.', 11],
    ['Romero Rodríguez, Jesús & Álvarez, Fernando', 7],
    ['Romero-Rodriguez, Jesús & Álvarez, Fernando', 7],
    ['Williams, Jason D. & Boyko, Christopher B.', 12],
    ['Williams, Jason D. & Boyko, Christopher B. & Madad, Asma Z.', 18],
    ['Other (30)', 68]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=273)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);