function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Chiang, Min-Chia & Chen, I-Shiung', 6],
    ['Du, Jianguo & Loh, Kar-Hoe & Hu, Wenjia & Zheng, Xinqing', 1],
    ['Fricke, Ronald', 2],
    ['Fricke, Ronald & Randall, John Ernest Dr.', 1],
    ['Hansen, P. E. Hadley', 3],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 3],
    ['Holleman, Wouter', 1],
    ['Holleman, Wouter & Bogorodsky, Sergey V.', 3],
    ['Lubbock, Roger', 1],
    ['McCulloch, Alan Riverstone & Waite, E. R.', 1],
    ['Mohan, R. S. L.', 1],
    ['Tashiro, Satokuni & Motomura, Hiroyuki', 4],
    ['Williams, Jeffrey T. & Howe, Jeffrey C.', 7],
    ['Williams, Jeffrey T. & McCormick, C. J.', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=39)',
    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);