function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alfred W. Thomson & Lawrence M. Page', 7],
    ['Blyth, E.', 1],
    ['Darshan, Achom & Vishwanath, Waikhom & Abujam, Santoshkumar', 1],
    ['Gong, Zheng & Lin, Pengcheng & Liu, Fei & Liu, Huanzhang', 1],
    ['Gratzianov, V. J.', 2],
    ['Luo, Zhaojun & Chen, Xiaoyong', 2],
    ['Monniot, Françoise & Monniot, Claude', 1],
    ['Ng, Heok Hee', 1],
    ['Ng, Heok Hee & Kottelat, Maurice', 1],
    ['Ng, Heok Hee & Vidthayanon, Chavalit', 3],
    ['Singh, Pratima & Kosygin, Laishram & Gurumayum, Shantabala Devi', 1],
    ['Tamang, Lakpa & Sinha, Bikramjit & Gurumayum, Shantabala Devi', 1],
    ['Vinciguerra, Decio', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);