function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aqmal-Naser, Mohamad & Ali, Norsyafira Anis', 5],
    ['Bleeker, Pieter', 11],
    ['Blyth, E.', 4],
    ['Eigenmann, C. H. & Eigenmann, Rosa Smith', 4],
    ['Heok Hee Ng', 8],
    ['Heok Hee Ng & Kelvin K. P. Lim', 18],
    ['Hui, Tan Heok & Peng, Kelvin Lim Kok & Huan, Liew Jia', 5],
    ['Jie Li & Xianglin Chen & Bosco P. - L. Chan', 8],
    ['Ng, Casey Keat Chuan & Lim, Teow Yeong & Ahmad, Amirrudin', 7],
    ['Ng, H. H. Tan H. H.', 20],
    ['Ng, Heok Hee', 11],
    ['Ng, Heok Hee & Kottelat, Maurice', 43],
    ['Prosanta Chakrabarty & Heok Hee Ng', 5],
    ['Sulaiman, Zohrah & Hui, Tan Heok & Lim, Kelvin Kok Peng', 7],
    ['Ye, Enqi & Xing, Yingchun & Zhang, Chunguang & Zhao, Yahui', 7],
    ['Other (91)', 150]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=313)',
    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);