function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Conway, Kevin W. & Kottelat, Maurice', 1],
    ['Das, Debangshu Narayan & Darshan, Achom', 1],
    ['Endruweit, Marco', 1],
    ['Kottelat, Maurice', 1],
    ['Lokeshwor, Y. & Vishwanath, W.', 1],
    ['Lokeshwor, Yumnam & Vishwanath, Waikhom & Shanta, Keisham', 1],
    ['R, L O K E S H W O', 1],
    ['Singh, A. & Sen, N. & Bànàrescu, P. M. & Nalbant, Teodor T.', 2],
    ['Suvarnaraksha, Apinun', 1],
    ['Tamang, Lakpa & Sinha, Bikramjit', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=11)',
    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);