function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barabanov, Andrei V. & Doronin, Igor V.', 1],
    ['David, Patrick & Pham, Cuong The & Nguyen, Truong Quang', 2],
    ['Fukuyama, Ryobu & Fukuyama, Ibuki & Kurita, Takaki', 1],
    ['Teynié, Alexandre & Lottier, Anne & David, Patrick', 1],
    ['Wang, Jian & Lyu, Zhi-Tong & Zeng, Zhao-Chi & Lin, Chao-Yu', 2],
    ['Wang, Ying-Yong & Guo, Qiang & Liu, Zu-Yao & Lyu, Zhi-Tong', 3],
    ['Yang, Jian-Huan & Wang, Ying-Yong & Zhang, Bing', 1],
    ['Ziegler, Thomas & David, Patrick & Ziegler, Tim N.', 1],
    ['Ziegler, Thomas & Pham, Cuong The & Nguyen, Tan Van', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=13)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);