function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Fucikova, Karolina & Taylor, Melissa & Lewis, Louise A.', 2],
    ['Hodgson, Chris & Miller, Dug', 3],
    ['Hollier, John', 3],
    ['Jarvis, Charlie', 17],
    ['John, David M. & Wynne, Michael J. & Tsarenko, Petro M.', 7],
    ['Komai, Tomoyuki & Liang, Jingzhen & Yang, Tingbao', 4],
    ['Laguerre, Michel', 21],
    ['Linnaeus, Carolus', 12],
    ['Luz, Ruben & Cordeiro, Rita & Fonseca, Amelia', 4],
    ['Müller, Otto Friedrich', 7],
    ['Naderloo, Reza & Türkay, Michael', 8],
    ['Novis, Phil M. & Visnovsky, Gabriel', 5],
    ['Rahayu, Dwi Listyo & Osawa, Masayuki', 3],
    ['Roy, Roger', 4],
    ['Zeidler, Wolfgang', 22],
    ['Other (18)', 21]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=143)',
    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);