function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Che, YL & Wang, YL & Zhang, YL', 6],
    ['Chmurova, Lucia & Webb, Michael D.', 2],
    ['De Freitas, Abner S. & Zahniser, James N. & Takiya, Daniela M.', 5],
    ['Gnezdilov, Vladimir M.', 55],
    ['Gnezdilov, Vladimir M. & Bourgoin, Thierry', 39],
    ['Gnezdilov, Vladimir M. & Malenovský, Igor', 4],
    ['Gnezdilov, Vladimir M. & Wilson, Michael R.', 13],
    ['Gong, Nian & Chen, Xiang-Sheng & Yang, Lin', 5],
    ['Gong, Nian & Yang, Lin & Chen, Xiang-Sheng', 18],
    ['Meng, Rui & Gnezdilov, Vladimir M. & Wang, Yinglun', 5],
    ['Meng, Rui & Qin, Daozheng & Wang, Yinglun', 2],
    ['Sohail, Kamran & Usman, Muhammad & Naveed, Hassan & Zhang, Yalin', 3],
    ['Tang, Jin & Zhang, Gongaote & Guo, Junqi & Luo, Lingxuan', 6],
    ['Yang, Lin & Chen, Xiang-Sheng', 4],
    ['de Freitas, Abner S. & Dietrich, Christopher H.', 7],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=179)',
    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);