function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['ARISTOV, DANIIL S. & STOROZHENKO, SERGEY YU.', 3],
    ['Engel, Michael S. & Grimaldi, David A.', 3],
    ['Engel, Michael S. & Grimaldi, David A. & Singh, Hukam', 2],
    ['Gorochov, Andrej V.', 2],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 10],
    ['Hollier, John', 7],
    ['Huang, Di-Ying & Nel, André', 3],
    ['Krolow, Tiago Kütter & Valadares, Ana Carolina B.', 2],
    ['Lucañas, Cristian C. & Lit, Ireneo L.', 8],
    ['Miller, Kelly B.', 16],
    ['Pereyra, Veronica', 8],
    ['Poolprasert, Pisit', 2],
    ['Poolprasert, Pisit & Edgerly, Janice S.', 7],
    ['Poolprasert, Pisit & Sitthicharoenchai, Duangkhae', 10],
    ['Szumik, Claudia & Pereyra, Veronica', 14],
    ['Other (12)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=110)',
    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);