function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Huang, Si-Yao & Ji, Shu-Qin & Wang, Min & Fan, Xiao-Ling', 5],
    ['Huang, Si-Yao & Volynkin, Anton V. & Fan, Xiao-Ling & Wang, Min', 4],
    ['Huang, Si-Yao & Volynkin, Anton V. & Wang, Min & Fan, Xiao-Ling', 2],
    ['Huang, Si-Yao & Volynkin, Anton V. & Černý, Karel & Wang, Min', 7],
    ['Singh, Navneet & Joshi, Rahul & Kirti, Jagbir Singh', 23],
    ['Spitsyn, Vitaly & Kondakov, Alexander V. & Tomilova, Alena A.', 1],
    ['Volynkin, A. V.', 6],
    ['Volynkin, A. V. & Černý, K.', 7],
    ['Volynkin, Anton V.', 5],
    ['Volynkin, Anton V. & Huang, Si-Yao & Dubatolov, Vladimir V.', 2],
    ['Volynkin, Anton V. & Singh, Navneet & Kirti, Jagbir Singh', 2],
    ['Volynkin, Anton V. & Černý, Karel', 49],
    ['Volynkin, Anton V. & Černý, Karel & Huang, Si-Yao', 58],
    ['Volynkin, Anton V. & Černý, Karel & Huang, Si-yao', 22],
    ['Xu, Yong-Qiang & Volynkin, Anton V. & Zhu, Li-Juan & Da, Wa', 3],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=198)',
    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);