function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Asghari, Ramezan & Eskandari, Ali & Maafi, Zahra Tanha', 2],
    ['Bastian, Henry Charleton', 1],
    ['Brzeski, M.', 1],
    ['Gagarin, Vladimir G. & Naumova, Tatyana V.', 2],
    ['Holovachov, Oleksandr', 11],
    ['Leduc, Daniel & Zhao, Zeng Qi & Sinniger, Frederic', 1],
    ['Naumova, Tatyana V. & Gagarin, Vladimir G.', 5],
    ['Poiras, Larisa', 1],
    ['Prado-Vera, Ignacio Cid Del & Ferris, Howard & Nadler, Steven A.', 12],
    ['Von W. Schneider', 2],
    ['Xu, Yu Mei & Zhao, Zeng Qi & Davies, Kerrie A. & Wang, Jian Ming', 3],
    ['Xu, Yu Mei & Zhao, Zeng Qi & Wang, Jian Ming', 2],
    ['Zhao, Zeng Qi', 25],
    ['Zhao, Zeng Qi & Xi, Tian Yuan & Xu, Yu Mei', 1],
    ['Zhao, Zeng Qi & Xu, Yu Mei', 3],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=74)',
    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);