function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Balan, Anoop Puthuparampil & Predeep, Sreevilas Vasudevan', 12],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 1],
    ['Jarvis, Charlie', 2],
    ['Kanehira, Ryozo & Hatusima, Sumihiko', 1],
    ['Monteiro, Francisca & Costa, Esperança Da & Kissanga, Raquel', 4],
    ['Song, Zhu-Qiu', 3],
    ['Song, Zhu-Qiu & Li, Shi-Jin & Vu, Quang Nam & Khang, Nguyen Sinh', 19],
    ['Song, Zhuqiu & Pan, Bo & Zhang, Ting & Tan, Yunhong', 1],
    ['Verdcourt, Bernard', 1],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=45)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);