function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Khazali, Azhar Mohammed & Kachel, Hamid Saeid', 3],
    ['Alberto T. Barrion & Aimee Lynn A. Barrion-Dupo', 1],
    ['Biswas, B. & Majumder, S. C.', 3],
    ['Omelko, M. M. & Yu & Marusik, M.', 2],
    ['Pan, Fei & Zheng, Guo & Li, Shuqiang', 1],
    ['SANKARAN, PRADEEP M. & CALEB, JOHN T. D.', 16],
    ['Tanikawa, Akio', 1],
    ['Wang, Lu-Yu & Li, Zong-Xu & Zhou, Ke-Xin & Zhang, Zhi-Sheng', 6],
    ['Wang, Luyu & Lu, Tian & Cai, Ducheng & Barrion, Alberto Tomas', 2],
    ['ZONSTEIN, SERGEI & MARUSIK, YURI M.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=36)',
    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);